基本解释[能源科学技术]打眼放炮工作英汉例句双语例句With the technology of directly drilling outside the furnace, the blasting period was shorten and the operation safety was ensured.采用炉外直接钻孔技术,缩短了工期,保证了人员安全。drilling and blasting operation更多例句词组短语短语drilling g and blasting operation 打眼放炮工作drilling and blasting operation更多词组专业释义能源科学技术打眼放炮工作