The spinning of coal tar pitch raw material is key procedure of shaping in manufacturing carbon fiber.

煤沥青原料的纺丝，是碳纤维制造过程中加工成型的关键步骤。

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The spinning of coal tar pitch raw material is key procedure of shaping in manufacturing carbon fiber.

煤沥青原料的纺丝，是碳纤维制造过程中加工成型的关键步骤。

youdao