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自
点
缺点,它们缺点正好是有机硅聚合
点。
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自点缺点,它们缺点正好是有机硅聚合点。
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