短語詞組短語rotary displacement gas meter 旋轉(zhuǎn)位移式煤氣表positive displacement water meter 容積式水表displacement type meter 容積式防護(hù)水表positive displacement flow meter 正位移流量計(jì);容積式流量計(jì)Gas Positive Displacement Flow Meter 氣體容積式流量計(jì)rotary displacement gas meter detail 旋轉(zhuǎn)位移式煤氣表Liquid Positive Displacement Flow Meter 液體容積式流量計(jì)positive -displacement flow meter 翻譯rotary y displacement gas meter 旋轉(zhuǎn)位移式煤氣表 返回 displacement meter