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1.RAISE-BORER AT2000
AT2000型天井钻机收藏指正
2.AN ANALYSIS FOR STRUCTURE PRINCIPLE OF MODEL AF-2000 RAISE BORER
AF-2000型天井钻机结构原理分析收藏指正
3.The said incline raise borer, developed by Changsha Institute of Mining Re-search for incline raise boring in dip onebody mining,is the first generation product in Chi-na.
为了解决倾斜矿体开采中斜天井掘进问题,我院新开发了我国第一代斜天井钻机产品。收藏指正
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