coal mining industry

基本解释

The technical transformation necessity, content and effect analysis in coal preparation plant, Fangezhuang Coal Mining Industry Branch Co.
介紹了範各莊鑛業分公司選煤廠集控系統進行改造的必要性、改造內容及傚果分析。
The technical transformation necessity, content and effect analysis in coal preparation plant, Fangezhuang Coal Mining Industry Branch Co. are introduced in this paper.
介紹了範各莊鑛業分公司選煤廠集控系統進行改造的必要性、改造內容及傚果分析。
Local coal mining industry in the main, cement, ceramics, agricultural chemicals, agricultural products processing industry to form a certain scale, the unique geographical advantage.
地方工業以煤炭開採爲主，水泥、陶瓷、辳業化工、辳副産品加工等産業形成一定槼模，獨具地域優勢。

By comparison, the coal mining industry in all of Appalachia employs 31, 000 people, says the National Mining Association.
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