coal bed是什么意思 coal bed在线翻译 coal bed什么意思 coal bed的意思 coal bed的翻译 coal bed的解释 coal bed的发音 coal bed的同义词

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1. It also plans to develop wind power, coal bed gas and carbamide in the province.

2. Coal bed methane is a form of natural gas extracted from the seams of coal beds as a cleaner source of energy than coal.

3. The company's coal bed methane output accounted for about 52 percent of the country's total output.

4. The rescuers unblocked the shaft and discovered that the miners had been working beyond the officially approved coal bed.

5. The rescuers unblocked the shaft and found that the miners had been working beyond the officially approved coal bed.

6. Owners of the mine faked the documents and temporarily blocked the coal bed to deliberately elude inspection.

7. The gas level of the number nine coal bed was not tested, so the safety conditions were unknown at the time.

8. Eleven other Australian firms in areas such as coal bed methane, landfill technology and fossil energy also participated in the forum.

9. Annual coal bed methane emissions in China stand at 15 billion cubic meters as coal output has been increasing.

10. Three workers managed to escape from the blast, which brought about 100 tons of coal from the coal bed.