rockbolts

英 ['rɒkbəʊlts] 　 　 美 ['rɒkbəʊlts] 　 　
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临近单词

rock BQ rock rock-mound breakwater rock-fill timber crib rock mass discontinuity rock-breaking cutters rock mechanics in depth Rock Artist of the Year rock - socketed piles rock-slide protection rock fracture mechanics Rock Art and the Shaman
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