The biotransformation of coal is a new program of coal processing and comprehensive utilization, it is becoming a hot point in domestic and international research.
煤炭的生物转化是煤炭加工与综合利用中的新课题，正成为国内外研究的热点。
Brown coal is low calorific value coal. Now most of such coal is borne directly, its processing and utilization have certain limitation and hasn't been fully developed and utilized.
褐煤属低热值煤，现多以直接燃烧方式，褐煤的加工利用还具有一定的局限性，还没有完全开发利用。
Brown coal is low calorific value coal. Now most of such coal is borne directly, its processing and utilization have certain limitation and hasn't been fully developed and utilized.
褐煤属低热值煤，现多以直接燃烧方式，褐煤的加工利用还具有一定的局限性，还没有完全开发利用。
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