比例控制阀 meaning in English

proportional control valve

Hydraulic fluid power ; proportional and servo valves ; definitions , symbols , units
液压流体动力.比例控制阀和伺服阀.定义符号和单位
This paper carries out pilot study on water hydraulic proportional control valve , and selects water hydraulic proportional throttle valve as research object , of which the structure is comparatively simple
论文对水压比例控制阀进行了初步研究,选择结构较为简单的水压比例节流阀作为研究对象。