Every synthetic resin has its advantages and disadvantage,some resin's disadvantage is just the advantage for polysilicone.
种有机合成树脂有
优点
点,它
点正好是有机硅聚合物优点。
Every synthetic resin has its advantages and disadvantage,some resin's disadvantage is just the advantage for polysilicone.
种有机合成树脂有优点点,它点正好是有机硅聚合物优点。
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