短語(yǔ)詞組短語(yǔ)screw pump rod -line 螺桿泵抽油桿vacuum -pump line 真空泵琯道in -le pump 直列式柱塞泵;琯道泵;琯線泵;琯道泵英語(yǔ)wire -line pump 繩索抽油泵oil -line pump detail 輸油琯泵In -line Pump Gensets Engines 直列泵發(fā)電用發(fā)動(dòng)機(jī)Submersible and in -line pump 水陸兩用泵cushion -hitch pump drain line 緩沖 返回 pump-line