Microscopically the ores are medium grained to amorphous.显微镜下,矿石为中粒至非晶质.The only local coarse - grained sand - stones in the uppermost part are important for uranium.仅最上面局部的粗粒砂岩对铀是有利的.Fine - grained clay may settle out i...
巴拉克拉拉冶炼厂于1911年7月终于停产关闭.The Balaklala smelter was finally shut down in July, 1911.铅冶炼厂可以几乎全部使用报废的汽车电池作为它们的主要的铅的供应来源.Lead smelters may use almost entirely scrap automotive storage batteries as their essential lead supply.介...
Many victims of burglary feel their homes have been defiled.许多家门被撬的人都感到自己的家被玷污了。Rivers are often defiled by waste from factories.河水常被工厂中的废物污染.I felt defiled by the filth.我觉得这些脏话玷污了我.He had defiled the sacred name of the ...
Case study method first originals from the 19 th century.案例研究方法最初起源于19世纪系统使用的个案研究.At a concrete case study for the detail use is given.本文还结合实例予以具体应用.A case study approach has been employed for this research.这个研究采用了案例研究的方...