An environmental friendly phosphorus - free degreaser is obtained by orthogonal test.通过正交试验得到一种以表面活性剂为主、辅以助剂的环保无磷脱脂剂.Remove oil and grease, etc. with a suitable detergent or degreaser.用适当的清洁剂和脱脂剂除去油脂.This machine is main...
I have doubts about the advisability of surgery in this case.关于该病例做手术的可行性，我持有疑问。He talked of the advisability of getting rid of him.他总是谈谈赶掉他的好处.This advisability of deuteration is unnecessary with single crystals.对于单晶,氘化...
上菜时，把炒好的韭葱覆在鱼上。To serve, top the fish with the cooked leeks.她倒栽葱掉进了冰冷的水池中。She fell headlong into the icy pool.小时候我曾在花盆里种了些韭葱.When I was young I grew some leeks in a pot....