Taking soybean oil as raw material,the vehicle of soy ink was synthesized by heat polymerization under vacuum technology.

 
  • 以大豆油為原料,通過(guò)真空負壓工藝下的熱聚合反應合成大豆油墨連接料。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan