机构具有液压制动和机械制动功能。
履带车辆普遍采用液力和机械联合制动的方式。
A Design about United Assistant Brake of Tractor and Semitrailer;
本发明结构简单，能实现制动管路液压力的线控制，并具备电气故障下的机械备份制动能力。
The brake valve is simple in structure, can realize wire control of the brake pipe fluid pressure, and has the capacity of mechanical backup brake under the condition of the electrical fault.
本发明结构简单，能实现制动管路液压力的线控制，并具备电气故障下的机械备份制动能力。
The brake valve is simple in structure, can realize wire control of the brake pipe fluid pressure, and has the capacity of mechanical backup brake under the condition of the electrical fault.
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