One of its more common applications is as a pump by-pass control valve.
这种阀门最主要的应用之一是作为泵的旁路控制阀。
2
The By-Passvalve used on standard iron valves is a globe valve.
在标准铸铁阀门上安装的旁路是一个截止阀。
3
FL-7 is a continuous transonic wind tunnel, which is powered by three engines. Mach number is adjusted by the rotating speed of engines, the flexible wall nozzle and the by-passvalve.