long stroke pumping unit

常見例句

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(zhǎng)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(zhǎng)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(zhǎng)沖程抽油機(jī)是一種新型高傚有桿採(cǎi)油設(shè)備。