loosening blasting的用法和樣例：
例句
- The design methods and measures of safety protection of weakly loose blasting are introduced with field cases.
摘要通過(guò)工程實(shí)例，介紹了微弱松動(dòng)爆破的設計方法及安全防護措施。 - The in-seam distressing entry layout is combined with concussion blasting technique,so that the tailentry in soft rocks can be effectively maintained.
首次提出了應用本煤層布置卸壓巷并結合松動(dòng)爆破技術(shù)解決沿空軟巖巷道有效維護的難題。
