又粗又长又硬爽死我了动态图

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PE管、HDPE管材

PE管、HDPE管材

添加日期:11-09-25

HDPE管材聚乙烯(PE))管依據GB/T13663-2000標準生產,按聚乙烯PE原料等級分為PE63管,PE80管,PE100管,規格De20-De630mm,公稱壓力0.4-1..

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又粗又长又硬爽死我了动态图
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