The experimental results show that the axial stiffness of unidirectionally wound tubes is a little higher than that of cross wound tubes.

 
  • 實(shí)驗結果表明,無(wú)緯結構管件比有緯結構管件的軸向剛度略高些。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan