Pe - mdx . crosslinked medium density polyethylene pe - mdx pipes - dimensions 均密度交联聚乙烯管
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Mdpe medium density polyethylene pe m 中密度聚乙烯
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Mdpe specification for insulating and sheathing materials for cables - polyethylene sheathing compounds - thermoplastic medium density polyethylene sheathing compound - thermoplastic medium density polyethylene sheathing compound 电缆用绝缘和铠装材料规范.聚乙烯铠装化合物.热塑中等密度聚乙烯