Through the separation, lignosulfonate with narrow molecular weight distribution was obtained and then chemically modified.木质素磺酸盐是一种常见的普通减水剂, 其分子量分布较宽,从而影响减水剂性能.The graft mechanism of lignosulfonate and acrylic acid was ...
Mt .9:3 And behold, some of the scribes said within themselves , This man blasphemes.太九3竟有几个经学家心里说, 这个人说僭妄的话了.A well-executed shot of a tall ship is a joy to behold.欣赏优秀的高桅横帆船摄影作品是种乐趣。It is equally impossible that we sho...
Please tell me about all your doings in London.请把你在伦敦做的事情全讲给我听听吧.I've been hearing a lot about your doings recently.我最近不断听到很多关于你的所作所为。The ill - doings of the fascist chieftain redounded upon himself.法西斯头子干的种种坏事使他自食其...