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。...
他那雄辩的口才和宗教的热情早已预示了他在自己的职业中将要飞黄腾达.His eloquence and religious fervour had already given the earnest of high eminence in his profession.他们雄辩的魅力和有力的抨击在许多斗争中都获得了胜利.Their mighty spells and fiery blasts have prevailed many bat...