基本解释[能源科學技術]打眼放砲工作英汉例句雙語例句With the technology of directly drilling outside the furnace, the blasting period was shorten and the operation safety was ensured.採用爐外直接鑽孔技術，縮短了工期，保証了人員安全。drilling and blasting operation更多例句词组短语短語drilling g and blasting operation 打眼放砲工作drilling and blasting operation更多词组专业释义能源科學技術打眼放砲工作