短语词组短語Blasting Similarity Theory 爆炸相似律Discussion on blasting crater theory 爆破漏鬭理論探討rock blasting theory 巖石爆破理論Multi -border blasting theory 多邊界爆破理論multi -boundary blasting theory 多邊界爆破理論theory of blasting 爆破理論 返回 blasting theory