bailer, valve drill bit (valve auger)
阀式避雷器
valve type arrester【电】;autovalve lightning arrester【电】;valve type arrester【电】
暂无补充释义。
相关词条
by-pass check valve (free-wheeled check valve)
semilunar valve
mitral valve-semilunar valve
AC solenoid for valve
solenoid directional valve
dual ball check valve
rotary slide-valve vibrator