介绍了冲击地压的危害程度, 发生的原因 、 条件及采取的防治措施.The harm of percussive ground pressure, produced reason, conditions and protective measures are introduced.介绍了煤矿发生冲击地压的显现特征.This paper introduces the characteristics of impact earth press...
They are skilled debaters.他们精于辩论。The debaters expressed their several opinions.辩论者各抒己见.The debaters from the opposite team attacked his opponent with a forceful, and convincing argument.反方辩手的辩词严密而恰切,给对手以有力的回击....
If you skip breakfast, your blood sugar level will drop and you will probably feel light-headed.如果不吃早餐，血糖含量就会降低，你很可能会觉得晕眩。Hunger is the body's signal that levels of blood sugar are too low.饥饿感是身体发出的信号，表示血糖水平太低。The s...
克里斯喜欢音乐，收集了大量的唱片和磁带。Chris likes music and has a large collection of albums and cassettes.曼迪天生喜欢收集小玩意，只要是她看上的都会收藏起来。A born magpie, Mandy collects any object that catches her eye.从无数次的采访中收集到了长达一万页的证据。10,000 pages of eviden...