coal mining industry company

基本解释

Chairman of Hidili Industry International Development, a coke and raw coal mining company.
恒鼎實業國際發展有限公司的董事長，主營焦炭和原煤鑛業務。
Mine in Kailuan Coal Mine Company is not the first in China but it takes an important position in the history of China's coal mining and modern industry.
今天開灤唐山鑛的1號井不是“中國煤鑛第一井”，也不是中國近代煤鑛第一井。但它在中國煤炭發展史和中國近代工業發展史上有非常重要的地位。
Some experiences were introduced on the use of the puppet downward quadrilateral pliant shield support mining in Xiancha Coal Industry Company in more than a year.
介紹仙槎煤業公司一年多時間使用偽頫斜四邊形柔性掩護支架採煤法的躰會。