Brake problems brake shoe and the gap between the brake drum is too small, temperature brake drum, trailer brake easily cause stagnation, such as fault locked;

制动不灵 制动蹄片与制动鼓之间的间隙过小，制动鼓温度升高，易引起制动拖滞、抱死等故障；

youdao

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

A new brake of trailer is showed here, which is electromagnetic.

本文提出了一种新型拖车制动器，采用电磁制动形式。

youdao

Ram's heavy duty 2500 and 3500 models come with a rear-facing camera built into the center-mounted brake light behind the cab that can beam images of a trailer or the cargo in the bed into the truck's dashboard screen.

WSJ: Pickup-Truck Drivers Still Work Hard, but in Comfort