隔離礦柱 的英文怎麼說
中文拼音 [gélíkuàngzhù]
隔離礦柱
英文
barrier pillar-
Panel barrier pillar
盤區隔離礦柱Xinji no. 3 coal mine is a steep mine. it has reached pre - results by isolating the pillar with loosen blast technology in recovery area. the recovery rate is lifted and coal loss is reduced. it is an example for the same mine
新集三礦屬急傾斜礦井,在回收區段隔離煤柱中應用松動爆破技術,達到了預期效果,提高了采區回採率,減少了煤炭損失,並為同類型礦井提供了經驗。
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