{"id":3936,"date":"2026-07-02T08:54:01","date_gmt":"2026-07-02T08:54:01","guid":{"rendered":"https:\/\/heavydutymodule.com\/?p=3936"},"modified":"2026-07-03T02:43:42","modified_gmt":"2026-07-03T02:43:42","slug":"trailer-load-test-guide-safe-weight-limits-and-setup","status":"publish","type":"post","link":"https:\/\/heavydutymodule.com\/vi\/trailer-load-test-guide-safe-weight-limits-and-setup\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn Ki\u1ec3m Tra T\u1ea3i Tr\u1ecdng Th\u00f9ng Xe An To\u00e0n v\u00e0 C\u00e0i \u0110\u1eb7t"},"content":{"rendered":"

B\u1ea1n \u0111\u00e3 t\u1eebng xem m\u1ed9t chi\u1ebfc xe k\u00e9o b\u1eaft \u0111\u1ea7u fishtail tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c ch\u01b0a? Th\u1eadt \u0111\u00e1ng s\u1ee3. Ch\u00fang ta c\u1ea7n th\u1ef1c hi\u1ec7n ki\u1ec3m tra t\u1ea3i tr\u1ecdng th\u00f9ng xe tr\u01b0\u1edbc khi giao h\u00e0ng.<\/p>\n\n\n\n

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\"full<\/figure><\/div>\n<\/div>\n\n\n\n
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\"350<\/figure><\/div>\n<\/div>\n\n\n\n
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\"full<\/figure><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

N\u1ebfu b\u1ea1n mu\u1ed1n tr\u00e1nh nh\u1eefng tai n\u1ea1n th\u1ea3m kh\u1ed1c ng\u1ea3 th\u00f9ng xe<\/strong>, vi\u1ec7c th\u00e0nh th\u1ea1o m\u1ed9t ki\u1ec3m tra t\u1ea3i tr\u1ecdng th\u00f9ng xe<\/strong> kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y ch\u1ecdn\u2014\u0111\u00f3 l\u00e0 m\u1ed9t b\u01b0\u1edbc an to\u00e0n quan tr\u1ecdng. D\u00f9 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c tr\u1ecdng l\u01b0\u1ee3ng m\u00f3c k\u00e9o<\/strong>, ho\u00e0n thi\u1ec7n ph\u00e2n ph\u1ed1i tr\u1ecdng l\u01b0\u1ee3ng 60\/40<\/strong>, ho\u1eb7c x\u00e1c nh\u1eadn khung xe th\u01b0\u01a1ng m\u1ea1i t\u1ea3i tr\u1ecdng n\u1eb7ng, vi\u1ec7c sai l\u1ec7ch c\u00e2n b\u1eb1ng c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y h\u00e0ng h\u00f3a c\u1ee7a b\u1ea1n (ho\u1eb7c t\u1ec7 h\u01a1n).<\/p>\n\n\n\n

Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd h\u1ecdc ch\u00ednh x\u00e1c c\u00e1ch ki\u1ec3m tra, \u0111o l\u01b0\u1eddng v\u00e0 c\u00e2n b\u1eb1ng th\u00f9ng xe c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch an to\u00e0n tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh. <\/p>\n\n\n\n

H\u00e3y b\u1eaft \u0111\u1ea7u ngay th\u00f4i.<\/p>\n\n\n\n

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\"vessel<\/figure><\/div>\n<\/div>\n\n\n\n
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\"self<\/figure><\/div>\n<\/div>\n\n\n\n
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\"spt<\/figure><\/div>\n<\/div>\n\n\n\n
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\"spmts<\/figure><\/div>\n<\/div>\n\n\n\n
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\"spmt<\/figure><\/div>\n<\/div>\n\n\n\n
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\"sing<\/figure><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

K\u1ef9 Thu\u1eadt \u0110\u1eb1ng Sau Ki\u1ec3m Tra T\u1ea3i Tr\u1ecdng Th\u00f9ng Xe: T\u0129nh v\u00e0 \u0110\u1ed9ng<\/h2>\n\n\n\n

Khi b\u1ea1n v\u1eadn chuy\u1ec3n thi\u1ebft b\u1ecb n\u1eb7ng qua c\u00e1c ch\u00e2u l\u1ee5c, d\u1ef1a v\u00e0o c\u00e1c ch\u1ec9 s\u1ed1 tr\u1ecdng l\u01b0\u1ee3ng ti\u00eau chu\u1ea9n tr\u00ean b\u1ea3ng th\u00f4ng s\u1ed1 kh\u00f4ng \u0111\u1ee7. Kh\u1ea3 n\u0103ng t\u1ea3i t\u1ed1i \u0111a l\u00fd thuy\u1ebft tr\u00f4ng c\u00f3 v\u1ebb t\u1ed1t tr\u00ean gi\u1ea5y, nh\u01b0ng trong th\u1ef1c t\u1ebf v\u1eadn chuy\u1ec3n \u0111\u00f2i h\u1ecfi c\u00e1c th\u1eed nghi\u1ec7m v\u1eadt l\u00fd nghi\u00eam ng\u1eb7t, nhi\u1ec1u giai \u0111o\u1ea1n. Tr\u01b0\u1edbc khi thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang ta ra th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u, ch\u00fang ta \u0111\u1ea9y gi\u1edbi h\u1ea1n c\u1ee7a th\u00e9p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i v\u00e0 x\u00e1c minh t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac.<\/p>\n\n\n\n

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Ki\u1ec3m Tra T\u1ea3i Tr\u1ecdng T\u0129nh: X\u00e1c Minh \u0110i\u1ec3m D\u1ebbo D\u1ea3i C\u1ee7a C\u1ea5u Tr\u00fac<\/h3>\n\n\n\n

ki\u1ec3m tra t\u1ea3i tr\u1ecdng t\u0129nh<\/strong> t\u1eadp trung v\u00e0o s\u1ee9c m\u1ea1nh c\u1ea5u tr\u00fac thu\u1ea7n t\u00fay. Ch\u00fang t\u00f4i \u00e1p d\u1ee5ng l\u1ef1c t\u0129nh, c\u1ef1c l\u1edbn tr\u1ef1c ti\u1ebfp l\u00ean khung xe \u0111\u1ec3 x\u00e1c nh\u1eadn \u0111i\u1ec3m d\u1ebbo d\u1ea3i cu\u1ed1i c\u00f9ng c\u1ee7a n\u00f3. B\u1eb1ng c\u00e1ch m\u00f4 ph\u1ecfng m\u1ed9t t\u1ea3i tr\u1ecdng l\u1edbn kh\u00f4ng di chuy\u1ec3n, giai \u0111o\u1ea1n n\u00e0y cho ph\u00e9p ch\u00fang t\u00f4i \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 l\u1ec7ch c\u1ee7a khung xe v\u00e0 \u0111\u1ea3m b\u1ea3o th\u00e9p ch\u1ecbu l\u1ef1c cao ph\u1ea3n h\u1ed3i ho\u00e0n h\u1ea3o m\u00e0 kh\u00f4ng bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n. <\/p>\n\n\n\n

Ki\u1ec3m Tra T\u1ea3i Tr\u1ecdng \u0110\u1ed9ng: M\u00f4 Ph\u1ecfng \u0110i\u1ec1u Ki\u1ec7n \u0110\u01b0\u1eddng Th\u1ef1c T\u1ebf<\/h3>\n\n\n\n

M\u1ed9t s\u01a1 mi r\u01a1 mo\u00f3c s\u00e0n th\u1ea5p hi\u1ebfm khi \u0111\u1ee9ng y\u00ean. Ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t \u0111\u1ed9ng<\/strong> l\u00e0 n\u01a1i ch\u00fang t\u00f4i m\u00f4 ph\u1ecfng c\u00e1c m\u1ed1i nguy hi\u1ec3m th\u1ef1c t\u1ebf tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c, l\u1ef1c phanh \u0111\u1ed9t ng\u1ed9t, s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9ng h\u1ecdc nghi\u00eam tr\u1ecdng v\u00e0 \u0111\u1ecba h\u00ecnh kh\u00f4ng b\u1eb1ng ph\u1eb3ng. Giai \u0111o\u1ea1n n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a s\u01a1 mi r\u01a1 mo\u00f3c s\u00e0n ba tr\u1ee5c c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c l\u1ef1c xo\u1eafn, l\u1ef1c G v\u00e0 va \u0111\u1eadp m\u1ea1nh c\u1ee7a v\u1eadn t\u1ea3i h\u1ea1ng n\u1eb7ng m\u00e0 kh\u00f4ng b\u1ecb h\u1ecfng c\u1ea5u tr\u00fac.<\/p>\n\n\n\n

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Ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m t\u0129nh v\u00e0 \u0111\u1ed9ng<\/h3>\n\n\n\n
Giai \u0111o\u1ea1n th\u1eed nghi\u1ec7m<\/th>\u0110o l\u01b0\u1eddng c\u00e1i g\u00ec<\/th>Th\u1ef1c hi\u1ec7n nh\u01b0 th\u1ebf n\u00e0o<\/th>Ch\u1ec9 s\u1ed1 ch\u00ednh \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn<\/th><\/tr><\/thead>
Th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng t\u0129nh<\/strong><\/td>\u0110i\u1ec3m ch\u1ea3y c\u1ee7a c\u1ea5u tr\u00fac & dung sai tr\u1ecdng l\u01b0\u1ee3ng thu\u1ea7n t\u00fay<\/td>L\u1ef1c t\u00e1c \u0111\u1ed9ng t\u1eeb tr\u00ean xu\u1ed1ng \u1edf tr\u1ea1ng th\u00e1i \u0111\u1ee9ng y\u00ean, c\u1ef1c l\u1edbn th\u00f4ng qua tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m ch\u00ednh x\u00e1c<\/td>Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1i \u0111a & \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a khung g\u1ea7m<\/td><\/tr>
Th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng \u0111\u1ed9ng<\/strong><\/td>\u1ee8ng su\u1ea5t \u0111\u01b0\u1eddng th\u1ef1c t\u1ebf & s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9ng h\u1ecdc<\/td>\u0110\u1ecba h\u00ecnh g\u1eadp gh\u1ec1nh m\u00f4 ph\u1ecfng, phanh \u0111\u1ed9t ng\u1ed9t v\u00e0 v\u00e0o cua g\u1ea5p<\/td>Kh\u1ea3 n\u0103ng ch\u1ed1ng xo\u1eafn & ph\u00e2n b\u1ed5 tr\u1ecdng l\u01b0\u1ee3ng nh\u00e0 m\u00e1y<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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\"3<\/figure><\/div>\n<\/div>\n\n\n\n
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\"2<\/figure><\/div>\n<\/div>\n\n\n\n
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\"2<\/figure><\/div>\n<\/div>\n\n\n\n
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\"Multi-axle<\/figure><\/div>\n<\/div>\n\n\n\n
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\"spt<\/figure><\/div>\n<\/div>\n\n\n\n
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\"spmt<\/figure><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n

T\u1eebng b\u01b0\u1edbc: C\u00e1ch ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng s\u01a1 mi r\u01a1 mo\u00f3c nh\u00e0 m\u00e1y 75 t\u1ea5n<\/h2>\n\n\n\n

Khi ch\u1ebf t\u1ea1o thi\u1ebft b\u1ecb v\u1eadn t\u1ea3i h\u1ea1ng n\u1eb7ng t\u1ea1i nh\u00e0 m\u00e1y c\u1ee7a ch\u00fang t\u00f4i \u1edf Vi\u1ec7t Nam, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 \u0111o\u00e1n kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1i \u0111a m\u00e0 ch\u00fang t\u00f4i ch\u1ee9ng minh n\u00f3. X\u00e1c nh\u1eadn m\u1ed9t chi\u1ebfc s\u01a1 mi r\u01a1 mo\u00f3c s\u00e0n th\u1ea5p<\/a> y\u00eau c\u1ea7u m\u1ed9t b\u00e0i ki\u1ec3m tra t\u1ea3i tr\u1ecdng trailer nh\u00e0 m\u00e1y nghi\u00eam ng\u1eb7t, nhi\u1ec1u giai \u0111o\u1ea1n. <\/p>\n\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ch\u00ednh x\u00e1c nh\u00f3m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n quy tr\u00ecnh ki\u1ec3m tra t\u1ea3i tr\u1ecdng ch\u1ee9ng minh 75 t\u1ea5n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o x\u00e1c minh t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac tuy\u1ec7t \u0111\u1ed1i tr\u01b0\u1edbc khi giao h\u00e0ng.<\/p>\n\n\n\n

Giai \u0111o\u1ea1n 1: Ki\u1ec3m tra s\u01a1 b\u1ed9 tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m & Ki\u1ec3m tra Kh\u00f4ng Ph\u00e1 H\u1ee7y (NDT)<\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m n\u00e0o \u0111\u01b0\u1ee3c t\u1ea3i l\u00ean s\u00e0n, khung g\u1ea7m c\u1ee7a trailer tr\u1ea3i qua ki\u1ec3m tra v\u1eadt l\u00fd to\u00e0n di\u1ec7n. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng Ki\u1ec3m tra Kh\u00f4ng Ph\u00e1 H\u1ee7y (NDT)<\/strong>, bao g\u1ed3m ki\u1ec3m tra si\u00eau \u00e2m v\u00e0 ki\u1ec3m tra t\u1eeb t\u00ednh, \u0111\u1ec3 ki\u1ec3m tra c\u00e1c m\u1ed1i h\u00e0n quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 v\u1ebft n\u1ee9t nh\u1ecf \u1ea9n trong th\u00e9p ch\u1ecbu l\u1ef1c cao tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t \u0111\u1ed9ng.<\/p>\n\n\n\n

Giai \u0111o\u1ea1n 2: Hi\u1ec7u ch\u1ec9nh Ph\u00e2n t\u00edch Ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA)<\/h3>\n\n\n\n

Ch\u00fang t\u00f4i k\u1ebft n\u1ed1i th\u1ebf gi\u1edbi s\u1ed1 v\u00e0 th\u1ebf gi\u1edbi v\u1eadt l\u00fd. C\u00e1c k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i xem x\u00e9t m\u00f4 h\u00ecnh Ph\u00e2n t\u00edch Ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA)<\/strong> c\u1ee7a trailer \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh n\u01a1i t\u1eadp trung \u1ee9ng su\u1ea5t cao nh\u1ea5t. Ch\u00fang t\u00f4i \u0111\u1eb7t c\u00e1c c\u1ea3m bi\u1ebfn \u0111o \u1ee9ng su\u1ea5t \u0111i\u1ec7n t\u1eed ch\u00ednh x\u00e1c cao t\u1ea1i c\u00e1c \u0111i\u1ec3m \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 n\u00e0y d\u1ecdc theo c\u00e1c d\u1ea7m ch\u00ednh \u0111\u1ec3 \u0111o hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf so v\u1edbi c\u00e1c m\u00f4 h\u00ecnh thi\u1ebft k\u1ebf l\u00fd thuy\u1ebft c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n\n\n\n

Giai \u0111o\u1ea1n 3: \u00c1p d\u1ee5ng tr\u1ecdng l\u01b0\u1ee3ng ki\u1ec3m tra c\u00f3 ki\u1ec3m so\u00e1t<\/h3>\n\n\n\n

Ch\u00fang t\u00f4i \u0111\u1eb7t trailer l\u00ean m\u1ed9t n\u1ec1n t\u1ea3ng c\u00e2n ch\u00ednh x\u00e1c v\u00e0 b\u1eaft \u0111\u1ea7u ph\u00e2n b\u1ed1 d\u1ea7n d\u1ea7n c\u00e1c tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m v\u1eadt l\u00fd theo t\u1eebng giai \u0111o\u1ea1n. \u0110\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng t\u1ea3i 75 t\u1ea5n, quy tr\u00ecnh ki\u1ec3m tra ch\u1ee9ng minh th\u01b0\u1eddng l\u00ean t\u1edbi 125% c\u1ee7a T\u1ed5ng Tr\u1ecdng l\u01b0\u1ee3ng Xe T\u1ea3i G\u1ed9p (GVWR) ti\u00eau chu\u1ea9n. Tr\u1ecdng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 ch\u00ednh x\u00e1c \u0111\u1ec3 m\u00f4 ph\u1ecfng ph\u00e2n ph\u1ed1i tr\u1ecdng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf trong nh\u00e0 m\u00e1y tr\u00ean s\u00e0n ch\u00ednh.<\/p>\n\n\n\n

Giai \u0111o\u1ea1n 4: \u0110o \u0111\u1ed9 v\u00f5ng v\u00e0 theo d\u00f5i th\u1eddi gian th\u1ef1c<\/h3>\n\n\n\n

V\u1edbi t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng k\u00e9o t\u00e1c d\u1ee5ng, ch\u00fang t\u00f4i theo d\u00f5i \u0111\u1ed9 v\u00f5ng c\u1ee7a khung g\u1ea7m trailer<\/strong> trong th\u1eddi gian th\u1ef1c. Ch\u00fang t\u00f4i t\u00ecm ki\u1ebfm hai ch\u1ec9 s\u1ed1 c\u1ee5 th\u1ec3:
\n\u0110\u1ed9 v\u00f5ng \u0111\u00e0n h\u1ed3i:<\/strong> S\u1ef1 u\u1ed1n cong t\u1ea1m th\u1eddi c\u1ee7a khung g\u1ea7m d\u01b0\u1edbi t\u1ea3i tr\u1ecdng, ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi gi\u1edbi h\u1ea1n thi\u1ebft k\u1ebf c\u1ee7a ch\u00fang t\u00f4i.
\nBi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n:<\/strong> Khung chassis ph\u1ea3i tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng th\u1eb3ng ban \u0111\u1ea7u 100% sau khi b\u1ecf tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m. Kh\u00f4ng ch\u1ea5p nh\u1eadn s\u1ee5t l\u00fan v\u0129nh vi\u1ec5n n\u00e0o.<\/p>\n\n\n\n

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\"loading<\/figure><\/div>\n<\/div>\n\n\n\n
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\"multi<\/figure><\/div>\n<\/div>\n\n\n\n
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C\u00e1c Ch\u1ec9 s\u1ed1 An to\u00e0n Quan tr\u1ecdng \u0110\u01b0\u1ee3c x\u00e1c nh\u1eadn trong Qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng n\u1eb7ng<\/h2>\n\n\n\n

Khi ch\u00fang t\u00f4i v\u1eadn h\u00e0nh m\u1ed9t nh\u00e0 m\u00e1y ki\u1ec3m tra t\u1ea3i tr\u1ecdng th\u00f9ng xe<\/strong> tr\u00ean thi\u1ebft b\u1ecb t\u1ea3i tr\u1ecdng n\u1eb7ng c\u1ee7a ch\u00fang t\u00f4i, ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 ki\u1ec3m tra xem khung c\u00f3 ch\u1ecbu n\u1ed5i kh\u00f4ng. Ch\u00fang t\u00f4i \u0111\u1ea9y gi\u1edbi h\u1ea1n c\u1ee7a th\u00e9p, m\u1ed1i h\u00e0n v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady tuy\u1ec7t \u0111\u1ed1i tr\u00ean \u0111\u01b0\u1eddng. L\u00e0 nh\u00e0 s\u1ea3n xu\u1ea5t r\u01a1 mo\u00f3c chuy\u00ean nghi\u1ec7p, ch\u00fang t\u00f4i theo d\u00f5i b\u1ed1n ch\u1ec9 s\u1ed1 an to\u00e0n quan tr\u1ecdng trong m\u1ed7i l\u1ea7n th\u1eed nghi\u1ec7m.<\/p>\n\n\n\n