SEM分析显示，随着炭化升温速率的升高，纤维的截面变形程度加剧，孔径增大。
The SEM analysis results also show that the pore of hollow-porous carbon fiber regularly varies as the carbonization heating rate increases.
SEM分析显示，随着炭化升温速率的升高，纤维的截面变形程度加剧，孔径增大。
The SEM analysis results also show that the pore of hollow-porous carbon fiber regularly varies as the carbonization heating rate increases.
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