母体长丝，诸如丙烯腈或纤维素（主要是人造丝）等在高温下碳化。

Precursor filaments such as acrylic or cellulose (mainly rayon)are carbonized at high temperature.

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母体长丝，诸如丙烯腈或纤维素（主要是人造丝）等在高温下碳化。

Precursor filaments such as acrylic or cellulose (mainly rayon)are carbonized at high temperature.

youdao