制造业循环性强, 因此,在经济下行中最先下滑,速度也较快.Manufacturing is highly cyclical, falling first and fast in a downturn.口服摄入砷化物的急性症状有恶心、呕吐、口腔和喉部烧灼感及腹部剧痛;可出现循环性虚脱.Symptoms of acute arsenic poisoning include nausea and abdominal pain followed...
a problem in thermodynamics that stymied half the class花费了半节课时间才解决的一个热力学问题Based on thermodynamics and kinetics analyse, some research achievements in theory a - bout melting intercalation are summarized.结合热力学和动力学的分析, 概括了...
All the attempts to petition the Congress had failed...所有向国会请愿的努力均告失败。They began to petition the queen.他们开始企求女王.We recently presented the government with a petition signed by 4,500 people.最近我们向政府递交了有4,500人签名的请愿书。Everyone...