long stroke pumping unit

常見例句

雙語例句

• The favourable conditions for developing the drum type long stroke pumping unit are expounded.
  論述了發(fā)展?jié)L筒式長沖程抽油機(jī)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(dòng)滑輪式長沖程抽油機(jī)是一種新型抽油機(jī)。
• 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(jī)是一種新型高傚有桿採油設(shè)備。
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