The bed-shaking that is used for reducing arsenic in sulfur selected mine. The efficiency of getting rid of sulfur approaches 80%.

用云锡摇床处理硫精矿降砷效果好，除砷效率接近80%。

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Main characteristics of new selected mine axial fans after transformation is introduced, comparing with the old fans, preferable effect of new ones is obtained after transformation.

介绍了改造后所选用的新型矿井轴流通风机的主要特点，与老式风机做了对比，证明了改造后的风机取得了较好效果。

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Because of limitation of natural condition, the ash yard is selected in a mine out area after analysing and comparing in aspects of economy.

由于自然条件的限制，经多种方案的经济比较，灰场选择在煤矿采空区。

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I have mine selected not to that sound but to Mozart, so I hear this sound on my telephone.

我没选乱七八糟的那些,而是选了莫扎特的,我听到了我手机的铃声

耶鲁公开课 - 聆听音乐课程节选

The location of the mine had been selected after a review of a number of sites both within and outside the national park, the company said.

BBC: Artist's impression of mine buildings site