Lifting control valve is the control center of hydraulic lifting system of dumpers, which is classified into electromagnetic type, electro-hydraulic type, manual type and air-powered type, etc.
举升操纵阀是自卸汽车液压举升系统的控制中心，该操纵阀分为电磁式、电液式、手动式和气动式等几种。
Travel brake type dual-pipe: air over hydraulic caliper disc brake.
脚制动型式：单管路，气顶油，钳盘式四轮制动。
The structure, working principle of a new type of drawing air-hydraulic cushion have been introduced.
介绍一种新型拉伸气液垫的结构、工作原理。
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