该文介绍了一种新型的数字式液压操纵系统，系统采用并联方案，以高速电磁阀为先导控制级，通过双节流阀进行操纵系统的压力、流量控制。
It is a parallel connection system and this system USES the high-speed valve as a pilot valve to control the twin throttle which controls the pressure and the flux of the hydraulic control system.
先导压力阀本实用新型属于液压控制工程三大基础阀之一的压力控制阀类。
Pilot pressure valve The utility model is based on hydraulic control valve engineering, one of three pressure control valve.
单手柄液压先导操纵，铲刀动作全部为液压控制。
The working system adopts hydraulic pilot operation. Blade is operated by hydraulic system.
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