adj. coal-mining
山西是中国煤矿业的历史中心。
The province is the historic centre of China's coal industry.
因此要想降低整个煤矿业的事故发生率，必须从乡镇煤矿抓起。
Therefore, only managing township coal mine well can we reduce the rate of coal mine accidents.
拥挤的铁路和港口也已经造成了问题，尤其是对煤矿业而言。
Congested railways and ports have also been a problem, especially for coal and iron ore.
应用推荐