先导式 meaning in English

pilot-operated type

Dynamic model of analysis on a new type of guide - overflow valve
新型先导式溢流阀动态分析模型
Pilot - operated reducing valve
先导式液压阀
The principle , structure and performance of an extrahigh pressurebig - flow polot cut - off valve which is proof anainst wastage media are introduced
介绍了一种新开发的超高压、大流量、适应污水介质的先导式截止阀的原理、结构和性能特点。
Guiding type two - position & two - port high - temperature solenoid valve adopts teflon hard seal structure , with reliable performance , large flow , high - temperature resistance , and corrosion resistance . it can control multiple fluid , with easy operation
先导式二位二通高温电磁阀，采用聚四氟乙稀硬密封结构，耐高温、耐腐蚀、性能可靠，流量大、使用方便，能控制多种流体。
In order to decreasing hydraulic impact , the principle is analyzed to eliminate or increase hydraulic impact by means of changing eccentric lump structure to cut down the inertia force of starting , changing the pressure of pilot electromagnetic relief valve and changing the parameters of accumulator
为了减小液压冲击，本文分析了用改变偏心块结构减小起振惯性力的方式、用改变先导式电磁溢流阀溢流压力方式和改变蓄能器参数方式消除或减小液压冲击的原理。