underground blasting
短語詞組
- underground engineering blasting 地下工程爆破
- underground blasting shock wave 井下爆破空氣沖擊波
- underground deep hole blasting 地下深孔爆破
- Open The Underground Blasting 露天地下爆破
- Underground Mine Drilling and Blasting 井下鑿巖爆破
- underground deep -hole blasting 井下深孔爆破
- blasting of underground cavern 地下洞室爆破
- medium -longhole blasting in underground mine 地下礦中深孔爆破 返回 underground blasting