The cerusite can be collected by xanthate without sulfuration, however the flotation indexes are not good.在不硫化的条件下,黄药能够浮选白铅矿, 但浮选指标不高.Expounds liquid level control system of flotation machine and its industrial test.介绍浮选...
Flotation is used for Florida and Kola rock.浮选操作法用于佛罗里达磷矿和科拉磷矿.Flotation is a process for separating low density solids or liquid particles from a liquid phase.浮选是从液体中分离出低密度固体物或液态颗粒.Expounds liquid level control system o...
Rioch knows the big clubs have been sniffing around Andy Walker.里奥克知道那些大俱乐部一直在企图挖走安迪·沃克。Walker had the unenviable task of breaking the bad news to Hill.沃克不得不把这个坏消息告诉希尔。The Minnesota Vikings signed Herschel Walker from th...
Come on over, we've got lots of the old gang here.过来吧，好多老朋友都在这儿。There are problems of urban decay and gang violence.存在城市衰败和帮派暴力的问题。The gang thought of hitting him too, but decided just to spit.那伙人也想过要揍他，但最后只是啐了他一口。...