PP 1.5~~~2.5% ABS 0.4~~0.7% PS 0.4~~0.7% PC 0.5~~0.7% PA6 0.8~~1.5% PA66 1.0~~1.5% PMMA 0.1~~0.4% PBT 1.5~~2.0% ... 网友问题:塑胶模具缩水率计算公式和方法。
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