coal petrology characteristic
coal petrology characteristic
煤岩学特征
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Another characteristic of coal petrology is that transitional macerals, such as semivitrinite and semifusinite are relatively high.
此外，一些过渡型显微组分，如半镜质体和半丝质体的含量也相对高。
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