It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein.
这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。
It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein.
这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。
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