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Terms for subject Mining containing 巷道 | all forms | in specified order only
ChineseEnglish
人行巷道access manway
巷道超前打桩时用的棚梁上盖板bridge
平行巷道by-pass
废巷道abandoned workings
采区顶部与上面巷道底部间所留的水平矿柱bridge

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