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suction valve英英字典_suction valve剑桥英语解释_suction valve柯林斯英文解释_甲百汇小鸡词典
甲百汇小鸡词典

suction valve

S 开头单词

柯林斯词典

    suction valve

  • 1. N a nonreturn valve in a pump suction to prevent the pump draining or depriming when not in service 抽水泵 (Also called foot valve)

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