“冒落”造句
2024年06月26日 02:52:10
頂板
冒落 、 巷道底鼓和礦柱破壞是采礦過程中的重要巖石力學(xué)問題.
Roof falling, floor heave of roadway and pillar failure are important rock mechanical problems in mining.
工程實(shí)例表明注漿是一種通過
冒落區(qū)的有效辦法.
The engineering cases show that grouting is an effective way to get across the collapsed zone.
采場上覆巖層中的厚硬巖層, 即厚硬關(guān)鍵層, 其
冒落會造成劇烈的礦山壓力顯現(xiàn).
The caving of thick and strong roof stratum, key stratum, causes tremendous rock pressure in mine.