soft roek的用法和樣例：
例句
- The application of repairing soft rock-tunnel by pregrouting is introduced.
介紹了注漿技術(shù)在軟巖巷道修復施工中的應用。 - Treatment of very soft rock in Shapotou Water Control Project is a grave subject to be dealt with in project construction.
沙坡頭水利樞紐的極軟巖地基處理就是工程建設必須解決的重大課題。
