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Stepping down the stone stairs, people can see coal mine veins formed in the Cretaceous period, animal and plant fossils, and agates in their original forms. 游客可以在此欣赏到形成于白垩纪的地质断层、动物和植物的化石以及最原始状态的玛瑙等。
They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
That coal mine is no longer worked. 那个煤矿已经不经营了。
saw coal mining 锯式采煤
Coal mining has always been a dangerous occupation. 采煤向来是一种危险职业。
General bituminous coal mining; Motor freight. 一般烟煤开采；汽车货运。
The black stones were coal, but Marco had never see coal before! 这种黑色的石头就是煤炭，马可从没有见过煤！
They underwrote the coal mine's bonds. 他们同意买下该煤矿的未认购的股票。
The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
There is a coal mine near my home town. 我的家乡附近有一个煤矿。
Jiamusi Coal Mining Machinery Co. 和佳木斯煤矿机械有限公司。
XUZHOU COAL MINING GROUP CO., LTD. 江苏徐州矿务集团有限公司。
A coal mining boom has swept across north China. 煤炭行业的繁荣,在华北到处可见。
Heilongjiang Coal Mining Machinery Group Co. 宣布,已向国有黑龙江煤矿机械集团有限公司。
The coal mining area is in the center of the basin. 煤矿区位于盆地的中心。
Township enterprises mainly in coal mining. 乡镇企业以开采煤炭为主。
Scope: Coal mining. Coal mining. 经营范围:开采原煤。
We decided to open out a coal mine near the city. 我们决定在城市附近开发一煤矿。
The coal mine was closed down due to exhaustion. 这煤矿因矿源枯竭而关闭了。
They are developing a new coal mine. 他们在开发新煤矿。