The paper discusses a new method for producing cupric feed copper sulfate by chalcocite and ehalcopyite.介绍了用辉、黄铜精矿制备饲料级硫酸铜的新方法.More and more companies have gone 'green' and started producing so-called environme...
Fast work by the police in Birmingham had started producing circumstantial evidence.快速开展工作的伯明翰警方已经开始发现间接证据。It was obscene to spend millions producing unwanted food.耗资数百万去生产一些不需要的食品，真是令人发指。The committee is stacked with me...
这男孩的不轨行为,使他的母亲许多夜不得安眠.The boy's misconduct cost his mother many sleepless nights.她服用了双倍医嘱剂量的安眠药片。She took twice the prescribed dose of sleeping tablets.安眠药片不久就使她睡着了.The sleeping pills soon put her off to sleep....
a wizened face一张消瘦的脸...a little wizened old fellow with no teeth.掉光了牙齿的干瘪小老头a wizened little man干瘪的小老头A wizened little man wriggled through the line of soldiers standing guard.有个一身干瘪的小个子男人,拐弯抹角混过了执行警戒的士兵队列.She complained...
Only differences in enthalpy are of practical engineering interest.在实际工程上有意义的只是热含量之差.A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化.The enthalpy is constant in the throttling process.节流...