dual-duty pump dual-purpose pump的意思|示意
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双职责泵两用泵
dual-duty pump dual-purpose pump的网络常见释义
双用泵 ... pump duty 泵流量 ; 泵输送量 ; 泵量 ; 泵出力 dual-duty pump dual-purpose pump 双用泵 pump operating duty 泵工况 ...