拖车刹车可以被和拖拉机连接在一起的单独制动系统所阻止。

The trailer brakes could be held off by a separate braking system when coupled to the tractor.

youdao

拖车刹车可以被和拖拉机连接在一起的单独制动系统所阻止。

The trailer brakes could be held off by a separate braking system when coupled to the tractor.

youdao