英语词汇“rockbolt”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	rockbolt
释义	rockbolt rockbolt [′räk‚bōlt] (engineering) A bar, usually constructed of steel, which is inserted into predrilled holes in rock and secured for the purpose of ground control.
随便看	tdfr tdfs tdft td-fw tdfw tdfx tdfy tdg tdga tdgc tdgc/ms tdge tdgf tdgf1 tdgf3 tdgi tdgl tdgp tdgpa tdgq tdgr tdgs tdh tdh1 tdh2a

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