precracking 中文意思是什麼
precracking
解釋
預裂法-
This paper expounds the relation of side slope ' s stability with all explosion methods, discusses the development and basic principle of presplit blasting energy - focusing cutting, and introduces the course of development and research on precracking explosion by energy - focusing cutting and its application in dayaowan phase project
摘要綜述邊坡穩定性與各種爆破方法之間的關系，探討聚能切割預裂爆破的發展與基本原理，並對聚能切割預裂爆破的研製過程及其在大窯灣二期工程中的應用作簡單介紹。
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