soft-rock support

常見例句

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、高嶺土等非金屬礦床開采所遇到的軟巖巷道支護(hù)問題尤為嚴(yán)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(hù)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(hù)研究的國內(nèi)外現(xiàn)狀，以圍巖松動(dòng)圈理論研究為基礎(chǔ)，得出圍巖松動(dòng)圈與軟巖巷道支護(hù)的關(guān)系。