网络释义专业释义
stratified soft roof 层状软弱顶板
soft compound roof 松软复合顶板
soft rock roof 软岩顶板
CABIN ROOF SOFT DECORATION 舱顶软包
soft-rock roof 软岩顶板
soft-weak roof 软弱顶板
soft-rock compound roof 软岩复合顶板
soft rock compound roof 软岩复合顶板
roadway with soft coal roof 松软顶煤巷道
双语例句权威例句
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There are three coal mines in Xin'an Coalfield. The Shanxi group irregular(2-1) coal seam has soft roof, soft coal and soft floor.
在新安煤田新建的三对矿井，主采煤层均为山西组2-1三软不稳定煤层。
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This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof, soft coal and soft floor.
文章通过对永华煤矿“三软煤层”煤巷矿压规律进行分析，提出了支护方案。
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Soft roof and floor of coal seam could be easily damaged while support was not timely and strength was not enough, so overall support was needed for laneway with strong support strength.
煤层顶底板极松软，若支护不及时、强度不够时极易破坏，需对巷道进行整体支护并具有较大的支护强度。
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