她取代了他在他母亲心目中的地位吗?Did she usurp his place in his mother's heart?老板由于自身的地位而一直有极大的影响力。The boss retains enormous influence by reason of his position.那足以让曼塞尔获得别人无法撼动的领先地位。That was enough to give Mansell an unassailable l...
Useing unsaturated urethane , 2 - ethylhexyl acrylate, crosslinking agent, high oil - absorbent resin was prepared by suspension polymerization.用不饱和氨基甲酸酯 、 丙烯酸异辛酯和交联剂, 以悬浮聚合的方法制备高吸油性树脂.Ferric sulfate was first used for t...