Adjust, repair or replace parts and components of truck-trailer systems including structural, brake and electrical systems.

调整，修复或更换卡车拖车系统零部件，包括结构，刹车系统和电气系统。

youdao

Red Seal endorsement is also available to qualified truck-trailer repairers and truck and transport mechanics upon successful completion of the interprovincial Red Seal examination.

红印章背书对成功完成跨省红色钢印的考试的合格的卡车拖车维修工和卡车运输技工也适用。

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A trailer was attached to the rear of the truck.

卡车后面挂了一辆拖车。

《牛津词典》

"Right now a tractor-trailer load of illegal cigarettes will net the truck driver about $2 million in profit."

VOA: standard.2010.08.11

Each serves about 120 stores, and most of them have assigned a shipping dock to every store, with a truck-trailer parked waiting to fill up for a run.

FORBES: Merchant Princes

Davis was moving out when his truck -- hauling a trailer -- dug ruts into the dirt speed bump that Dykes had built up across the road.

CNN: STORY HIGHLIGHTS

Davis was in the process of moving out in December when his truck -- hauling a trailer -- dug ruts into the dirt speed bump Dykes had built up across the road, Claudia Davis told CNN.

CNN: Alabama bunker suspect faced court date, neighbors say