GC analytical method for o - chlorotoluene in the workplace air using sampling by charcoal tube was studied.研究炭管采集空气中邻 - 氯甲苯的气相色谱分析方法.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catal...
The money from her dowry was invested in her mother's store.她的嫁妆钱都投到了母亲的铺子里。Although ours has been so pure and poor That you can take them no great dowry.贫俭诚所尚,资从岂待周!As a wife , the woman was protected by the settin...
The calibre of teaching was very high.教学质量很高。His team were of the highest calibre.他的团队水平一流。He was impressed by the high calibre of applicants for the job.求职人员出色的能力给他留下了深刻印象。...