煤矿中天然存有高爆气体。Highly explosive gas is naturally found in coal mines.许多人到煤矿来,是因为契约规定必须服务几年.Many people came to the coal mineindentured for several years.煤矿工人须在地下工作.Coal miners have to work under the ground....
They are among the unsung heroes of our time.他们是我们这个时代的无名英雄。The walls are hung with sepia photographs of old school heroes.墙上挂满了老牌英雄人物发黄的旧照片。David began to dislike all his television heroes who smoked.戴维开始讨厌所有他曾喜欢的吸烟的电视偶...
The experimental results of Armco iron, copper, cermet and graphite are given.给出了Armco铁 、 铜 、 金属陶瓷和石墨的测试结果.Lead in cermet - based trimmer potentiometer elements.金属陶瓷质的微调电位器中的铅含量.The technology and property of nanometer c...
他时常伪装自己。From time to time he will take on a new persona.极端分子伪装成医务工作者进入了大楼。The extremists entered the building disguised as medical workers.你从空中是看不见它们的，它们会被精心伪装起来。You won't see them from the air. They'd be very ...
A free radical is a molecular fragment having an unpaired electron.自由基是一种具有未配对电子的分子碎体.Conclusion: DIT was absorbed in molecular form, not in form of I -.结论: DIT是 以分子形式吸收参加代谢的, 而不是先转化成I - 形式后再吸收.The hydrophobicity is rela...
The development trend impressed current anodes for underground applications was also discussed.探讨了埋地辅助阳极材料的发展与应用方向.Sacrificial anodes protection can decrease the degree of corrosion wear very effectively.牺牲阳极保护法可以有效地从抑制腐...