The effects of spinning process on linear density, tenacity and elongation of Nylon 66 technical yarn were described.

 
  • 介紹了尼龍66紡絲工藝對工業(yè)絲物理性能如線(xiàn)密度、強力、定負荷伸長(cháng)率的影響。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan