A down - hole autotracking well pumping unit different from the conventional pumping unit was designed.针对抽油技术的现状和存在的问题,设计了一种不同于有杆抽油方法的井下自动跟踪式抽油装置.It is autumn and they are pumping water out of the swimming pool.入秋了, 他们正在...
There is a pumping station on the edge of the lake.湖边有座扬水站.He was pumping away.他正用抽水机抽水.Aerobic exercise gets the heart pumping and helps you to burn up the fat.有氧运动加速心脏跳动，有助于消耗更多脂肪。...
He sat there while I made the case for his dismissal...他坐在那儿，听我陈述解雇他的理由。He sat with his head buried in his hands as his sordid double life was revealed...自己卑鄙的双重生活被揭穿后，他双手抱头坐在那里。They sat there billing and cooing till aft...
Effects of losses and nonideal behavior on CF are considered later.下面我们再讨论各种损失及非理想特性对CF的影响.On the contrary, the contents of DM 、 OM 、 CF 、 NDF 、 ADF and ADLincreased gradually.与DM、OM、CF、NDF、ADF和ADL含量 逐渐升高的规律恰好相反.The feed...
He was punctilious about being ready and waiting in the entrance hall exactly on time.他一丝不苟地作好准备并准时地在门厅等候。He was a punctilious young man.他是个非常拘礼的年轻人。This quality was continually breaking through his punctilious manner in...
A point of order was raised in parliament by Mr Ben Morris.本·莫里斯先生在议会就程序问题提出质询。Ben drove past them, nosing his car into the garage.本小心翼翼地把车开进车库时从他们身边经过。Ben Brantley's article on Sir Ian McKellen rekindled many memor...
...the raw passions of nationalism...朴实的民族主义热情The country was gripped by a frenzy of nationalism.这个国家笼罩在民族主义的狂热中。...the growth of nationalism.民族主义的高涨a Belgian from the wilder shores of Flemish nationalism来自佛兰芒民族主义荒蛮地区的比利...