孤岛采油厂根据医用注射器原理,研制了气动黄油枪,大大缩短了游梁式抽油机润滑保养时间,提高了采油时率。
Based on injector concept , Gudao oil production plant developed a gas lubricating gun , it greatly cut beam pumper 's lubrication and maintenance time and improve oil production efficiency .