地理分布 The study of miners 潜叶虫的研究 ..
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the study of miners
对矿工的研究
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Study and Practice on the Coal Mining Technology of the Rooms & Pillars Mining Mechanization Operated with Continuous Miners;
介绍了综合机械化采煤技术在邯郸矿区的应用和研究，通过改进设备、优化采煤工艺、充分发挥了综采效能。
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Objective: To study the changes of bone metabolism in the underground coal miners.
目的：探讨煤矿井下矿工骨代谢变化。
The miners quickly pointed out that this figure is drawn from a draft academic study from the University of North Carolina which compared only corporate taxes, while neglecting royalties, payroll taxes and the like.
ECONOMIST: A government proposal exposes a rich seam of discord
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