Slow fault structure is commonly developed in every mining area or mining well in Longyong Coal Field.

缓断裂构造普遍发育于龙永煤田各个矿区或井田。

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Slow fault structure is commonly developed in every mining area or mining well in Longyong Coal Field.

缓断裂构造普遍发育于龙永煤田各个矿区或井田。

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