blasting explosive
短语词组
- rock blasting explosive 岩石炸药
- safety blasting explosive 安全炸药
- blasting explosive density 爆炸密实度
- high -power blasting explosive column 高威力爆破药柱
- explosive blasting type 型爆破用炸药
- explosive blasting type e 型爆破炸药
- chamber explosive package blasting 洞室药包爆破 返回 blasting explosive