long stroke pumping unit

常见例句

雙語例句

• The favourable conditions for developing the drum type long stroke pumping unit are expounded.
  論述了發展滾筒式長沖程抽油機的有利條件。
• The crank-chain driving and long stroke pumping unit described in this papes is a new type of pumping unit.
  曲柄鏈條動滑輪式長沖程抽油機是一種新型抽油機。
• The cylinder chain lower super long stroke pumping unit is a kind of up to date and high efficiency equipment.
  圓柱鏈低矮式超長沖程抽油機是一種新型高傚有杆採油設備。
返回 long stroke pumping unit