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The heat accumulation plays key role in coal self-ignition.
热量的积聚在煤自燃过程中起着关键的作用。
youdao
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It is the active groups that lead to self ignition of coal.
“活性基团”是导致煤自燃的主要因素。
youdao
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It is the active groups that lead to self ignition of coal.
“活性基团”是导致煤自燃的主要因素。
youdao