我国对煤炭地下气化技术的研究取得了很大进展。
Great progress on research for underground coal gasification technology has been also obtained in China.
煤地下气化是未来煤炭开采和利用的主要方向。
Underground coal gasification is the main direction of coal mining and utilization in the future.
煤地下气化是未来煤炭开采和利用的主要方向。
Underground coal gasification is the main direction of coal mining and utilization in the future.
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