短語詞組短語In Project Blasting Operation 在工程爆破drilling and blasting operation 打眼放炮工作Electric Shock Blasting Operation 電震爆作業(yè)safety of blasting operation 爆破安全blasting design and operation 爆破設(shè)計(jì)與施工drilling g and blasting operation 打眼放炮工作drilling blasting by diver operation 潛水鉆孔爆破blasting molding in one operation 一次成型 返回 blasting operation