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.
年青煤炭和膨润土、高岭土等非金属矿床开采所遇到的软岩巷道支护问题尤为严重。
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.
深埋隧道软弱围岩与初期支护的相互作用是地下工程研究的重要课题之一。
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.
本文分析了软岩巷道支护研究的国内外现状，以围岩松动圈理论研究为基础，得出围岩松动圈与软岩巷道支护的关系。