The trophectoderm maintains the pressure by pumping the fluid into the caity.

滋养层通过向腔内泵入液体来维持这种压力。

It is autumn and they are pumping water out of the swimming pool.

入秋了, 他们正在抽游。

For the wells with inadequate liquid supplies，speed-adjustable motors and intelligent intermissive pumping technology should be used.

对于供液不足井，应采用调速电机、智能间抽技术。

His heart was pumping fast.

他心脏跳动得很快。

I should take more exercise, but I’m not interested in pumping iron at the local gym three evenings a week.

我该多多锻炼身体，可是我不想在本地健身房里每周练三个晚上举重。

Pumping station 483 place, electromechanical well 12 thousand, among them big well 8000, canal department compose is demiurgic 1717, among them bridge contain 1265, brake 256.

抽站483处,机电井1.2万眼,其中大井0.8万眼,渠系构造物1717座,其中桥涵1265座,闸256座。

Backwashingable filter can blow down at any moment and backflush the filter without pumping off,which improves the application effect,reduces the cost and elongate the working life.

可反清洗过滤器在不停泵情况下随时排污和对过滤层进行反清洗作业,提高了使用效果,降低了使用成本,延长了使用寿命。

The chief features of this kind of pump are the wider range of working pressure, the higher pumping speed at the higher pressure and the higher maximum forepressure.

这种泵主要特点是：工作压强范围宽、在较高压强下有较大抽速、最大出口压强较高。

The gain characteristics of the collective free electron laser operating in a superradiant amplifier have been studied through the variation of the interaction length and pumping magnetic field.

工作在超辐射模下集体区自由电子激光器增益特性研究可以通过改变互作用区长度及泵浦强度来进行。