soft-rock support

常见例句

The problem by soft-rock support which in adolescent coal and nonmetal deposit bentonite with kailon become especially outsanding.
年青煤炭和膨潤土、高嶺土等非金屬鑛牀開採所遇到的軟巖巷道支護問題尤爲嚴重。
The interaction between soft-weak Surrounding Rock and initial support of deep buried tunnels has become one of the most important subjects in underground engineering research.
深埋隧道軟弱圍巖與初期支護的相互作用是地下工程研究的重要課題之一。
The article analysed national situation of bolt shotcrete and wire in soft rock, based on theory of broken-rock circle, concluded the relation of broken-rock circle and soft support.
本文分析了軟巖巷道支護研究的國內外現狀，以圍巖松動圈理論研究爲基礎，得出圍巖松動圈與軟巖巷道支護的關系。