煤柱爆破 的英文怎麼說
中文拼音 [méizhùbàopò]
煤柱爆破
英文
pillar blast-
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。No safety pillars shall be mined without authorization and no dangerous methods, such as water bursting, blasting and breaking through roadways, which may threaten the production safety of adjacent coal mines shall be adopted
采礦作業不得擅自開采保安煤柱,不得採用可能危及相鄰煤礦生產安全的決水、爆破、貫通巷道等危險方法。
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