rigid poly meaning in English

硬聚氯乙烯
硬质聚氯乙烯

Specification for rigid poly vinyl chloride siding
硬质聚氯乙烯挡板规范
Specification for rigid poly vinyl chloride interior profile extrusions
硬质聚氯乙烯内定形挤压件规范
Test method for windload resistance of rigid poly vinyl chloride siding
硬质聚氯乙烯挡板耐风载荷试验方法
Standard specification for rigid poly vinyl chloride interior - profile extrusions
硬质聚氯乙烯内定形挤压件标准规范
Standard test method for windload resistance of rigid poly vinyl chloride siding
硬质聚氯乙烯挡板耐风荷载的标准试验方法

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