| 1. | To this day coal is said to be screened in the colliery when it has stone and other impurities removed from it .
据说煤中掺有石子和其它杂质须去掉时，至今仍得把煤在矿上筛过。
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| 2. | Standard for the equipment of ventilative safety of colliery
矿井通风安全装备标准
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| 3. | A miner at the moxinpo colliery in chongqing , china
重庆磨心坡煤矿里的一名矿工。
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| 4. | Status quo of gas drainage and its utilization in colliery
煤矿瓦斯排放现状及利用
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| 5. | Bolting securing control in tongting colliery
童亭矿锚杆支护安全可靠性控制
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| 6. | Wennan colliery make strenuous efforts to cultivate safty culture
汶南煤矿大力培育安全文化
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| 7. | Application of bolt - grouting support technology in panbei colliery
锚注支护技术在潘北矿的应用
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| 8. | Surrounding rock controlling of soft rock roadway in nantun colliery
南屯煤矿软岩巷道围岩控制
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| 9. | Application of ad hoc networks in colliery safety supervise system
网络在矿井监测系统中的应用
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| 10. | Analysis of gas occurrence regularity in b4 seam in yuancunjing colliery
4煤层瓦斯赋存规律分析
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