Dab tsi yog qhov seem ntawm semi trailer

Feem ntau, semi trailers tuaj yeem muab faib ua thav duab, lub cev ua haujlwm, traction tus pin, ncua kev kaw lus, khiav mechanism, hluav taws xob system, kev txhawb nqa, cov cuab yeej tiv thaiv thiab lwm yam khoom siv los ntawm cov qauv. Cov 9 feem no ntxiv rau ib leeg thiab yog qhov tseem ceeb. Qhov zoo tshaj plaws semi trailer yog sib cais los ntawm cov khoom zoo.

Lub semi trailer yog ib qho trailer uas nws lub qag yog muab tso rau hauv qab ntawm qhov chaw ntawm lub ntiajteb txawj nqus ntawm lub tsheb thiab tau nruab nrog cov khoom sib txuas uas tuaj yeem xa cov kab rov tav thiab ntsug rau lub tsheb laij teb. tsav. Dab tsi yog qhov semi trailer muaj? Feem ntau hais lus, semi trailers tuaj yeem muab faib ua thav duab, lub cev ua haujlwm, traction tus pin, ncua kev kaw lus, khiav mechanism, hluav taws xob system, kev txhawb nqa, cov cuab yeej tiv thaiv thiab lwm yam khoom siv los ntawm cov qauv.