coal-bed造句

1、Coal-bed methane accounts for about 2% of the world's natural-gas supply.
煤层气约占世界天然供应的2%。

2、Discussion on the Ground Developing Scale of Coal-bed Methane (CBM)
试论煤层气地面开发规模

3、A NOVEL AIR/FUEL AUTOMATICALLY MIXING CONTROL UNIT OF COAL-BED GAS ICE
一种新颖的瓦斯气内燃机空燃自动混合控制装置

coal-bed翻译

n. 煤层 详情
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