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	amethystly amethysts ameti ametiap ametist ametl ametmas-noe ametria a metric shitload a metric shit ton ametrometer ametrope ametropia ametropic ametropicly amets ameu ameum amev amevia polops amewm amewpr amews am-ex amex

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