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。
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。
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.
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