Immersible degrees in oil Wells with low pump efficiency were adjusted by using the relation curves.
利用该关系图对泵效低下的油井沉没度进行调整，取得了较好的效果。
Stable T periodic and 2T periodic pulses have been achieved under the low pump power with the CW pumping mode.
在连续的较低的功率泵浦下，实现了激光器的单倍和双倍周期的自持脉冲输出。
But because of the restriction of wellhead conditions, the acidization method before was only on the level of little amount of acids and low pump rate.
受到井口条件的限制，以前的酸化工艺一直停留在小酸量、低排量的解堵酸化水平上。
A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况，研制了强启闭柱塞抽油泵。
Fuel-pump pressure and capacity can be checked with special gauges. Low pump pressure will cause fuel starvation and poor engine performance.
燃油泵的压力和流通能力可以用专门的仪器进行检查。泵油压力下降可引起供油不足，并降低发动机的性能。
Fuel-pump pressure and capacity can be checked with special gauges. Low pump pressure will cause fuel starvation and poor engine performance.
燃油泵的压力和流通能力可以用专门的仪器进行检查。泵油压力下降可引起供油不足，并降低发动机的性能。
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