throw of pump

希高翻译-国际贸易相关术语中英对照六十一 ... throw of piston 活塞行程 throw of pump 泵行程 throw of the pointer 指针摆幅 ...

机械英汉词典（T-4）-机械资讯-马棚网 ... throw of piston 活塞行程 throw of pump 泵的行程 throw over 切换 ...