换了好，一劳永逸

来源: Runnymede 于 2023-01-13 19:07:12 [] [旧帖] [给我悄悄话] 阅读数 : (562 bytes)
本帖于 2023-01-13 19:08:22 时间, 由普通用户 Runnymede 编辑
回答: 下水道后续 由 red_flower 于 2023-01-13 18:26:05

PVC is more flexible than ABS, but ABS is stronger and more shock resistant. ABS is better at handling severely cold temperatures, but it can warp with exposure to direct sunlight. PVC is thought to be better at muffling the sound of running water. In most North American markets, the two types are priced similarly

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