1·That the application of new technology can increase the productivity of existing coal mines is demonstrated by the case of Tribnia's coal industry.
Tribnia 的煤炭工业证明了应用新技术可以提高现有煤矿的生产率。
2·The companies building the canals to transport coal needed surveyors to help them find the coal deposits worth mining as well as to determine the best courses for the canals.
修建运河运输煤炭的公司需要测量员帮助他们找到值得开采的煤矿，并确定运河的最佳路线。
3·The engine helped solve the problem of draining coal mines of groundwater and increased the production of coal needed to power steam engines elsewhere.
这台发动机帮助解决了煤矿地下水的排放问题，并增加了其他地方蒸汽机所需的煤炭产量。
4·Coal prices also are low, owing to over-supply and the scaling-down of demand, especially from China, which burns half of the world's coal.
因为供应过剩和需求下降，煤炭价格也很低，尤其是消耗了全球一半煤炭的中国的需求下降。
5·Coal prices also are low, owing to oversupply and the scaling-down of demand, especially from China, which bums half of the world's coal.
煤炭价格也很低，原因是供应过剩和需求下降，尤其是来自中国的需求，中国消耗了全球一半的煤炭。
6·The black stones were coal, but Marco had never seen coal before!
黑色的石头是煤，但马可以前从未见过煤！
7·The coal industry is running down as coal is gradually replaced by oil.
由于煤炭逐渐被石油所代替，因此煤炭工业正在衰落。
8·The biggest concern among climate-change activists around the world is the impact of Chinese coal—and also Indian coal.
世界上关心气候改变的活动家最大的担心是中国煤的影响，同时也包括印度。
9·He also noticed that Meishan (literally "coal mountain") had huge seams of coal, and he wanted to mine them.
同时，他还注意到在附近的“煤山”储煤量极为丰富，于是他决定开采煤矿。
10·Environmentalists who oppose coal mining and coal energy of any kind worry that sequestration could simply trade one problem, global warming, for another one, the pollution of water supplies.
反对任何形式的煤矿和煤炭能量的环境保护主义者们担心这项深埋技术解决了全球变暖的问题，但却又带来了水资源污染的问题。