pumping unit oil pump Beam pumping unit
Pumping recovery well has a low efficiency in system generally at present.
抽油机井目前普遍存在系统效率偏低的问题。
—— 给力词典精选This kind of pumping unit will promote energy - saving and production costs cut.
新型抽油机对油田的节能降耗,降低成本将起到推动作用。
—— 给力词典精选A kind of new transmission - the planetary ringy gear transmission is introduced.
提出了一种适用于无游梁抽油机的新型传动机构 - 行星齿环传动。
—— 给力词典精选The oil extractors form a unique picture of a booming oilfield.
田间的抽油机构成了独特的油田景观。
—— 给力词典精选A type of - saving and long - stroke pumping unit is designed.
文章介绍了一种挂钩换向链条驱动的长冲程节能抽油机的结构和工作原理。
—— 给力词典精选