Often referred to as' the ocean of coal ', Shanxi is rich in coal deposit, and coal mining is its most important industry.

山西省矿产资源十分丰富，其中以煤、铝土、铁等为最。

youdao

The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.

鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护，取得了较好的技术经济效果。

youdao

States with lots of heavy industry, and especially those where coal fuels most power plants or provides lots of mining jobs, will suffer most.

重工业为主的州将会遭受重创，尤其是在那些以烧煤为主的电厂和煤矿开采工密集的地方。

youdao

This has led to comparisons with Appalachia, which has also relied on a declining extractive industry (coal mining) and has suffered from high unemployment, poverty and a relatively unskilled workforce.

ECONOMIST: California's Central Valley

The big airlines had warned failure to consider a new runway at Heathrow would make the aviation industry go the same way as shipbuilding and coal mining.

BBC: NEWS | UK | Northern Ireland | Late night Belfast flights plan

In the mining industry, even though commodity prices for metals and coal have declined compared to their year-ago levels.

FORBES: Caterpillar's Shares Look Cheap On Recovery Prospects