The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.Amphoteric monomer is prepared with acrylic acid , dimethyl...
The physical properties of rubber accelerator 2 - mercapto benzothiazole and main methods for its preparation are introduced.介绍橡胶硫化促进剂 2- 巯基苯并噻唑的物理性质和主要的制备方法....
horsewomen coming at full gallop全速疾驰而来的女骑手I read the book at a gallop.我飞快地读完了这本书。The cabby beat his horse into a sort of imitation gallop which was fairly fast, however.车夫鞭打他的马,使它做出飞奔的样子, 不过还是比较快.An old steed in the stab...
He was forced to take a series of menial jobs.他被迫做一连串琐碎的杂活.Hurstwood is hired by a different hotel to do menial jobs.赫斯特伍德却在另一家旅馆里打杂.It delighted him to perform menial offices.履行仆人的职责使他心花怒放....
这神话般的分拣机是软毛绒天鹅绒制成, 饼,编织, 特里和认证的有机棉帆布.This fabulous sorter is made of soft plush velour, waffle - weave, terry and canvas certified organic cotton.强力层为优质重型棉帆布或维棉 、 涤棉帆布.Brute force layer for high - quality heavy - duty du...
A bistable storage device which stores binary data as states of flip - flop elements.一种以触发器的状态存储二进制数据的双稳态存储器.I had neer seen a weighted, jangling, belly-swollen giant flop down a chimney and gaily dispense his largesse u...