The basic characteristics of gas convective diffusion of underground coal gasification ( UCG ) are studied.

研究了煤炭地下 气化 气体对流扩散的基本特征.

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Great progress on research for underground coal gasification technology has been also obtained in China.

我国对煤炭地下气化技术的研究取得了很大进展.

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This technology therefore lays a foundation for the industrialization of underground coal gasification technology in China.

这项技术为我国煤炭地下气化技术产业化奠定了基础.

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