pillar coal信息详情
煤柱
pillar───n.(Pillar)人名;(英)皮勒;n.柱子,柱形物;栋梁;墩;vt.用柱支持
coal───n.煤;(尤指燃烧着的)煤块;木炭;v.供煤;采煤,提炼煤;把……烧成炭;加煤
commemorative pillar───纪念柱
iron pillar───铁柱
pillar bump───柱凸块
copper pillar───铜柱
standard coal───[矿业]标准煤
metallurgical coal───冶金用煤,炼焦煤;冶金用煤;冶金煤;炼焦煤
bituminous coal───n.生煤;[矿物]烟煤;沥青煤(等于softcoal)
The study indicates that with the increase of the coal pillar width the peak mining stress delays its appearance and the increase of the displacement and stress are not synchronous.───研究表明,综放沿空留巷受采场矿压影响时间和程度随留巷煤柱宽度的增加表现出明显滞后现象以及位移和压力增长的不同步现象。
Coal trade is the pillar industry of our country.───煤炭行业是我国的支柱产业。
The roof of cavern is regarded as an elastic beam with support at the midpoint and the coal pillars are regarded as bearings so as to establishing a cavern roof-coal pillar system.───将顶板视为中点有支承的弹性固结梁,将煤柱视为支座,形成了顶板-煤柱系统。
Practice of preventing rock burst in isolated island pillar coal face───孤岛煤柱工作面冲击矿压的防治实践
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