Acrylic resin ( ACR ), as an impact modifier for R - PVC, was synthesized by latex interpenetrating poly - mer network technique.采用乳液聚合技术合成了硬聚氯乙烯(R - PVC)抗冲击改性剂丙烯酸酯类聚合物 ( ACR ).The copolymer latex of butyl acrylate and V...
We found a bountiful supply of coconuts on the island.我们发现岛上有充足的椰子供应.Back on Flatbush Avenue, Pong is busy restocking his shelves with cucumbers and coconuts.回到弗拉特布什大道上，庞正忙着往货架上补充黄瓜和椰子。The main crops grown Zanzibar are c...
He hesitated and added , the muscles of his face contracting whitely.他一脸的肌肉在皱缩发白,一面吞吞吐吐地接下去说.His insides contracting , Chicken George sat mutely.查坎·乔治内心感到抽缩, 一言不发地坐着.Their foreign markets are contracting.他们的国外市场越来越小了....
国王只不过是给了这些政客自缚的绳子。The King has merely given the politicians enough rope to hang themselves.我们都无法忘记自己的童年时代，觉得仍然为它所缚。We are all prisoners of our childhood and feel an obligation to it.她说，所有人的生活都受缚于饥饿、苦痛和欲望。All people, she ...
Parting from any one of you for even a short time is hard...离开你们中任何一个人哪怕只是一小段时间都舍不得。Technology is changing all that. It's literally parting the waves for today's undersea explorers.技术正在改变这一切, 它正在劈波斩浪为今日的水下探索者开路...