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  • pvc和pp那个料好
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  • sr和pp那种料好
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  • tpe和pp哪个料好
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  • pe朔料和pp那个好
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  • hdpe和pp哪个料硬
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  • petg和pp哪个料温高
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  • 穿线管pe和pp哪种料好
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  • pvc和pp料那个软性
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  • 吸塑pvc和pp料哪个好干
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  • pc料和pp料那个更好
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  • 尼龙回料和pp哪个好
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  • ab料和pp哪个好些
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