The failure background of an isolated rock wall in soft fractured rock mass of a mine shaft bottom is introduced.

介绍了某煤矿井底车场软弱破碎岩体孤立岩墙失稳破坏工程背景。

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The failure background of an isolated rock wall in soft fractured rock mass of a mine shaft bottom is introduced.

介绍了某煤矿井底车场软弱破碎岩体孤立岩墙失稳破坏工程背景。

youdao