The new urea formaldehyde resin for plywood was developed, by using a specifically designed, advanced synthesis process with two modifiers added in its final stage.

 
  • 此種新開(kāi)發(fā)的脲醛樹(shù)脂,采用特定的先進(jìn)合成工藝和加入兩種改性劑研制而成。
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国内精品美女A∨在线播放xuan