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 ...
He had a shifty face and previous convictions.他看起来贼眉鼠眼，而且有犯罪前科。What a shifty arguer he is, refusing ever to give a straight answer.他真是个狡诈的辩论家，总是拒绝给出直截了当的回答。Don't begin talking in that stiff and shifty sort of way.别一...