The shell or backing is made of wound high-strength tensioned glass fibre also in an epoxy resin matrix.

 
  • 殼體或背襯采用也采用經(jīng)纏繞張緊的高強度環(huán)氧樹(shù)脂基玻璃纖維制成。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan