HPAM/HEC were selected as the right foam stabilizer,a new foaming system was developed.

 
  • 在保證一定起泡能力的前提下,篩選出了混合穩泡劑HPAM/HEC,研制了一種新的起泡體系。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan