The mass fraction of n - butene in mixed C 4 from catalytic cracking after etherized was approximately 40 %.醚化后的催化裂化混合C4中含有质量分数约为40%的正丁烯,是生产丙烯的优质原料....
She told them that her daughter-in-law was manic-depressive.她告诉他们，她的儿媳是狂躁抑郁症患者。With her were her son and daughter-in-law.和她在一起的是她的儿子和儿媳。The old woman nagged ( at ) her daughter - in - law all day long.那老太婆一天到晚地挑剔 儿媳妇 的不是...
If they value these data, let them pay for them.他们要是看重这些数据，就让他们出钱买。Over a given period, the value of shares will rise and fall.股票的价值在某一特定的时期内会有涨跌。She's kicked her drug habit and learned that her life has value.她已经戒了...
3,000多辆汽车因为刹车问题昨天被召回。More than 3,000 cars were recalled yesterday because of a brake problem.休会的议员被匆匆召回开会.Parliament was hastily recalled from recess.他已被召回担任原来的职务.He has been recalled to his old post....
Objective To explore the Medicine method and nurse of thrombo angitis obliterans gangrene.目的探讨血栓闭塞性脉管炎坏疽的换药方法及护理要点.After hyperbaric oxygen therapy was given , digital gangrene improved.而在高压氧治疗后, 剩馀手指坏疽改善.Fournier's ...