raise boring machine

短语词组

短语

• raise -boring machine pilot drifting method 反井钻机导硐施工法
• drilling with raise -boring machine 反井钻井
• the rack of raise -boring machine 反井钻机机架
• Blind raise boring machine 盲天井钻机
• hard rock raise boring machine [矿业]硬岩天井钻进机
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