英语词汇“rock bump”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	rock bump
释义	rock bump rock bump [′räk ‚bəmp] (mining engineering) The sudden release of the weight of the rocks over a coal seam or of enormous lateral stresses.
随便看	emrac emrad em radiation emraf emrag emrap emras emrb emrba emrc emrcb emrcc emrcd emrco emrcp emrd emrda emrdc emre emreb emrecon emr/ehr emrel emrem emreo

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