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-现代词典

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	hakujin hakuna matata hakuna mathata hakupha hakuri hakusai haku-san hakushaku cain hak ve esitlik partisi ha kwai chung government secondary school ha(l) hal hal- hal5 hala halaal halab halabja halabjah halabja post-graduate medical institute halacaridae halacha halachah halachic halachic organ donor

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。