Brake problems brake shoe and the gap between the brake drum is too small, temperature brake drum, trailerbrake 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；
2
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。
3
A new brake of trailer is showed here, which is electromagnetic.