Trilobal polycarbosilane(PCS) fibers were prepared by melt spinning PCS precursor through Y-shaped spinnerret.
以聚碳硅烷（PCS）为原料，经不熔化和烧成
得三叶型碳化硅纤维。
系
（Process Control System）；换极开关（Pole Changing Switch）；穿孔卡片系（Punch Card System）；生产控系（Production Control System）Trilobal polycarbosilane(PCS) fibers were prepared by melt spinning PCS precursor through Y-shaped spinnerret.
以聚碳硅烷（PCS）为原料，经不熔化和烧成得三叶型碳化硅纤维。
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