open chamber blasting的用法和樣例：
例句
- The paper introduces the method for determining resonable chamber blastingparameters by the blasting funnel test in Yugou Limestone Mine.
介紹了峪溝石灰石礦的硐室爆破中通過爆破漏斗試驗確定合理的硐室爆破參數的方法。 - The disign method and features of coyote blasting in quarrying rockfill material for the Doulingzi hydro power project are described.
介紹了陡嶺子水電工程堆石料採用硐室爆破開採的設計方法和特點。
