drilling and blasting operation
基本解释
- [能源科学技术]打眼放炮工作
英汉例句
- 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。
双语例句
词组短语
- drilling g and blasting operation 打眼放炮工作
短语
专业释义
- 打眼放炮工作