Every synthetic resin has its advantages and disadvantage,some resin's disadvantage is just the advantage for polysilicone.
种有机
成树脂有自的优点
缺点,它们的缺点正好是有机硅
的优点。
成树脂，人造树脂Every synthetic resin has its advantages and disadvantage,some resin's disadvantage is just the advantage for polysilicone.
种有机成树脂有自的优点缺点,它们的缺点正好是有机硅的优点。
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