The canoe is made from an impermeable wood.独木舟由防水木头制成。The external layer of the skin is relatively impermeable to water.皮肤的外层不透水.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水....
The hetero ene reaction is an important part of ene reaction.杂原子烯反应是该反应的重要组成部分.The handsome, nice and hetero men are married.又帅又好又不是异性恋的男人都解婚了.The preparation and property of urea - formaldehyde resin mocalified by heter...
This feed is of special value in steaming up the ewes as they come to lambing.这种饲料对即将产羔的母羊补充营养很有用.Mrs King went to the big black stove and ladled out steaming soup.金太太走到黑色的大炉子前，舀出热气腾腾的汤来。Top the steaming hot potatoes wit...
浮选操作法用于佛罗里达磷矿和科拉磷矿.Flotation is used for Florida and Kola rock.浮选是从液体中分离出低密度固体物或液态颗粒.Flotation is a process for separating low density solids or liquid particles from a liquid phase.介绍浮选机矿浆液位控制系统及其工业试验过程.Expounds liquid ...
Nick looked back over his shoulder and then stopped, frowning.尼克回头看了看，又皱着眉头停了下来。He contemplated his hands, still frowning.他盯着自己的双手，眉头紧锁。Nancy shook her head, frowning.南希摇了摇头，皱着眉头。...