黑岱沟露天煤矿
- 网络Heidaigou open-pit coal mine
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黑岱沟露天煤矿
Heidaigou open-pit coal mine
岱河煤矿,Da... ... ) Daizhuang Coalmine 岱庄煤矿 ) Heidaigou open-pit coal mine 黑岱沟露天煤矿 ) Xinhe Coal Mine 新河煤矿 ...
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