Valve and Valve Seat  气门与气门座

Heat Transfer and Flow Resistance Characteristics  传热与阻力特性

heat-transfer and flow resistance characteristics  传热与阻力特性

automatic pressure and flow control valve  自动压力流量控制阀

axial flow valve  轴流阀

Closed flow valve  流动密闭阀

Constant Flow Valve  恒流阀

control valve flow adjustment  控制阀流量调节

coordinated controller of excitation and valve  发电机协调控制

critical-flow valve  临界流量阀

cross flow valve tray  横流式浮阀塔盘

cylinder and valve for power chuck  动力卡盘用缸及阀

cylinder head and valve mechanism  缸盖和气门机构

digital controlled micro-flow Valve  数字式微小流量阀

Dissepiment and valve  隔膜及活瓣

downhole back flow valve  井下回流阀

excess flow valve  溢流阀

flow valve  机电流量阀; 流量阀; 油井产量调节阀; 配流阀

fuel valve testing stand  喷油器试验台