pump mechanical efficiency

钻井英语术语-钻井工程-石油人 ... 钻井泵的临界特性曲线 pump critical characteristic 钻井泵效率 pump mechanical efficiency ...

... ) pump effic-ency 液压泵效率 ) pump mechanical efficiency 水泵机械效率 ) mechanical efficiency of pump 泵的机械效率 ...