短语词组短語digital coalmine 數字煤鑛Dongjiahe coalmine 董家河coalmine LAN 煤鑛侷域網Tongting Coalmine 童亭井田Tangzhuang coalmine 唐莊煤鑛coalmine gas 煤鑛瓦斯Xieyi Coalmine 謝一鑛Songlou coalmine 宋樓煤鑛 返回 coalmine