In the reaction of acetylation and nitration 1,2 ? dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂.Polyurethane demulsifier for crude oil were prepared from polypropylene glycol, xylene, toluenediiso - cyanate...
Lead is more solvent in acidic water.铅在酸性水中更易溶解。We must cut back on expenditure in order to remain solvent.我们应减少开支,以备急用.Gasoline is a solvent liquid which removes grease spots.汽油是一种能去掉油污的有溶解力的液体....
He obviously meant Jules, Lucy, Johnny Fontane and Michael's bodyguard, Albert Neri.他显然指的是裘里斯 、 璐西 、 约翰呢-方檀和迈克尔的保镖亚伯特-奈里.Jules, the story's narrator, is an actress in her late thirties.这个故事的叙述者朱尔斯是个年近不惑的女演员。JUL...
Mobility is very important in guerrilla warfare.机动性在游击战中至关重要....trench warfare.堑壕战blatantly contravening the rules of civilized warfare公然违反文明战争的原则Identification Friend - or - Foe ( IFF ) system is very important in moder...