私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

Links
Contact Info.
  • Address:鄭州市高新區(qū)科學(xué)大道100號
  • Zip:450001
  • Tel:0371-67781590
  • Fax:
  • Email:nerczheng@163.com
Current Location :> Home > Publications > Text
Stretching-induced β-form Crystals of iPP: Influence of Stretching Ratio.
writer:Chang-Yu Shen, Ying-Guo Zhou, Guo-qiang Zheng﹡,Qian Li, Jing-Bo Chen, Chun-Tai Liu.
keywords:stretching
source:期刊
specific source:Polymer Engineering and Science
Issue time:2008年

stretching