Rosin modified alkyd resin prepared by soybean oilstocks had reliable performance and stable quality.

 
  • 摘要以大豆油腳為原料,研制的松香改性醇酸樹(shù)脂,性能可靠、質(zhì)量穩定。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan