名词
中文翻译：煤化作用
同义词：
['coking', 'coalification']
例句：
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1. The processof coalification is crucial for the productionof electricity.
煤炭化过程对于电力生产至关重要。
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2.Coalification is a natural process thatoccurs during the formation of rocks.
煤炭化是一种自然发生的过程，发生在岩石的形成过程中。
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3.The coalification process involves the decomposition of organic matter and the formation ofminerals.
煤炭化过程涉及有机物质的分解和矿物质的形成。