40 号 PVC 和 80 号 PVC 之间有什么区别？
Unlock PVC pipe secrets! Schedule 40 vs Schedule 80 explained: wall thickness, pressure rating & best uses for plumbing, electrical & more. Build better!
日期: 2024 年 2 月 22 日
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Unlock PVC pipe secrets! Schedule 40 vs Schedule 80 explained: wall thickness, pressure rating & best uses for plumbing, electrical & more. Build better!
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