Coagulation and stretch are two crucial working procedures during precursor fabrication, which play important roles in precursor structure and performance.
凝固成形和拉伸是原丝生产过程中两个十分关键的工序，它们对聚丙烯腈原丝的结构和性能有着重要的影响。
Coagulation and stretch are two crucial working procedures during precursor fabrication, which play important roles in precursor structure and performance.
凝固成形和拉伸是原丝生产过程中两个十分关键的工序，它们对聚丙烯腈原丝的结构和性能有着重要的影响。
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