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1)  in Center-thick seam in full-mechanized minming cut-off
中厚煤层综采工作面切眼
2)  full-mechanized mining face in thick coal seam
厚煤层综采工作面
3)  point of cutting of coal face
综采工作面切眼
4)  thin seam fully-mechanized mining face
薄煤层综采工作面
5)  mechanized top-coal caving face
综放采煤工作面
1.
Gas treatment technology of mechanized top-coal caving face
综放采煤工作面瓦斯治理技术
6)  fully-mechanized face in coal seam
煤层综采面
1.
This paper study the long hole loosen blasting technology for bottom floor rock of fully-mechanized face in coal seam based on theoretical analysis, such as Explosive Mechanics, Rock Mechanics and Damage Mechanics etc, and what s more, the commercial testing in status quo has verified it.
本文在爆炸力学、岩体力学、断裂损伤力学等多门学科理论分析的基础上,结合现场工业试验对煤层综采面底板岩石深孔松动爆破技术进行了研究。
补充资料:句中眼
1.见"句眼"。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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