bench hole,梯段的下向垂直炮眼,同义词,英汉翻译,英汉例句-找单词

bench hole

翻译:梯段的下向垂直炮眼

同义词

1)bench hole,梯段的下向垂直炮眼2)downhole['daun,həul],向下炮眼3)heading and bench mining,下向梯段式回采4)underhand stope,下向梯段工祖5)underhand stopping,下向梯段回采6)underhand stope bench,下向回采梯段

bench hole

bench hole

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