The relationships between sizing agent structures and the sizability of the rosin esters neutral sizing agents were investigated.

 
  • 討論了松香酯在中性施膠劑中施膠劑結構與施膠性能的關(guān)系。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan