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作为硬泡应用时，植物油多元醇添加量应小于20份，可提高阻尼性能。
The vegetable oil polyol content was less than 20 portions in rigid PU product, and could…
youdao
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作为硬泡应用时，植物油多元醇添加量应小于20份，可提高阻尼性能。
The vegetable oil polyol content was less than 20 portions in rigid PU product, and could…
youdao