巨厚沖積層下綜放面覆巖結(jié)構(gòu)演化及頂板控制研究.pdf

1、分類(lèi)號(hào)：分類(lèi)號(hào)：TD745TD745密級(jí)：級(jí)：公開(kāi)UDCUDC：?jiǎn)挝淮a：?jiǎn)挝淮a：1042410424學(xué)位論文巨厚沖積層下綜放面覆巖結(jié)構(gòu)演化巨厚沖積層下綜放面覆巖結(jié)構(gòu)演化巨厚沖積層下綜放面覆巖結(jié)構(gòu)演化巨厚沖積層下綜放面覆巖結(jié)構(gòu)演化及頂板控制研究及頂板控制研究及頂板控制研究及頂板控制研究申請(qǐng)學(xué)位級(jí)別申請(qǐng)學(xué)位級(jí)別：碩士學(xué)位碩士學(xué)位專(zhuān)業(yè)專(zhuān)業(yè)名稱(chēng)：稱(chēng)：采礦工程采礦工程指導(dǎo)教師姓名指導(dǎo)教師姓名：馬其華職稱(chēng)：稱(chēng)：副教授山東科技大學(xué)二零一一年六月二

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