The results show that the surfactants added and the surface active substances from effect the losser. 结果发现除了一般的浮选条件以外,废纸浆中的表面活性剂和来自废纸的表面活性物质与浮选损失有着重要的关系.
Dense smoke swirled and billowed, its rank fumes choking her.滚滚浓烟盘旋翻腾，恶臭味呛得她喘不过气来。The accumulation of unswallowed saliva in the pharynx causes the sensation of choking.不能咽下的唾液积聚在咽部引起窒息感.Food breathed into the windpipe ca...