英语词汇“hole director”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	hole director
释义	hole director hole director [′hōl di‚rek·tər] (mining engineering) A steel framework used in underground tunneling to set the angle at which holes for a blasting round are to be drilled.
随便看	fire prevention officers association of british columbia fire prevention system fire prevention technician fire prevention week fire-priest fire priority dispatch system fire program analysis fire proof fireproof fireproof construction fireproof curtain fireproof door fireproofed fireproofed materials fireproofing fireproofing compound fireproofings fireproofing tile fireproofs fireproof safe fire-protected fire protection fire protection analysis fire protection and safety technology fire protection area

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。