At menopause, for instance, women's ovaries stop pumping out estrogen.
例如,女性到更年期时卵巢不再分泌雌激素。
When power shortages stop pumping stations, both freshwater supply and wastewater treatment are threatened.
由于电力短缺,抽水站工作无法进行,淡水供应和废水处理均受到了威胁。
This method can be applied to heavy oil production in the early period of steam drive, but the time when to stop pumping down lighter oil must be determined.
分析认为,蒸气驱采油井生产初期也可采用泵下掺稳油的生产方式来维持正常生产,但应确定停止掺稀油的时机,并论述了其原则和方法。
应用推荐