donkey feed water pump的意思|示意

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辅助给水泵

备用给水泵 ... operation feed water pump 常用给水泵 main feed water pump 主给抽水机 donkey feed water pump 辅给水泵 ; 备用给水泵 ...

辅给水泵 ... operation feed water pump 常用给水泵 main feed water pump 主给抽水机 donkey feed water pump 辅给水泵 ; 备用给水泵 ...