Every synthetic resin has its advantages and disadvantage,some resin's disadvantage is just the advantage for polysilicone.
各种有机合成树脂有各
缺,
缺正好是有机硅聚合物。
Every synthetic resin has its advantages and disadvantage,some resin's disadvantage is just the advantage for polysilicone.
各种有机合成树脂有各缺,缺正好是有机硅聚合物。
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