duplex pump的用法和樣例：
例句
- Install a ground cable on the triplex pump motor.
給三抽缸泵馬達安裝接地線(xiàn)。 - Centrifugal pumps are the most common pump power.
離心泵是最常見(jiàn)的動(dòng)力式泵。 - The Company produced all kinds of vehicles pump-pump, pump Tuobeng tubes, and other parts, construction machinery and equipment leasing.
本公司生產(chǎn)各種車(chē)式泵泵管，拖泵泵管，及其他零部件，并可租賃建筑機械設備。
