Air Lift Pump
气提泵
气升泵
空气提升泵
空气吸扬泵
空气升液泵
中央处理系统
压缩空气杨水泵
气压泵
electric pump lift wells
lift pump
提升泵
提升器油泵
汲水器提水泵
升水泵
扬升泵
吸取泵
抽水机
扬水泵
提钩
升液泵
action force and reaction force
equation of capillary force and buoyant force
force of-whist force stability
the earth electric force and magnetic force
conversion for performance of model pump to actual pump
East Turkistan terrorist force