Chlorization - hydrolysis, electro oxidation and a method using p - nitro - toluene as starting material were described mainly. 重点介绍了氯化水解法 、 电化学氧化法及对硝基甲苯法.
It really puts me off a place when the washroom is dirty.厕所很脏,令我对那个地方很反感.I hung around until Helen had to go to the washroom.我在外边一直等到海伦不得不上厕所.To have a private washroom was luxurious.有私人盥洗室是再惬意不过的....
It's true she gets madly impatient with him, but what mother doesn't?她确实对他极其不耐烦，但哪个母亲不是这样呢？She's impatient for her father's arrival.她急切地盼望着父亲的到来。He is impatient of reproof.他不能忍受指责。You are too impatien...
Rock socketed pile is a familiar type in foundation engineering practice.嵌岩桩是桩基工程中一种常见的型式.Do you think Socketed Items will have an impact?这取决于你.The rock - socketed cast - in - place piles are one of the common foundation...