1. Trilobal polycarbosilane(PCS) fibers were prepared by melt spinning PCS precursor through Y-shaped spinnerret.
   以聚碳硅烷（PCS）为原料，经不熔化和烧成制得三叶型碳化硅纤维。
2. It was found that fibers of circular cross section produce greater cohesion in webs and slivers than do trilobal fibers.
   圆形横截面纤维在棉网和棉条中，比三叶形横截面纤维能产生较大的粘着作用。

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