換了好，一勞永逸

來源: Runnymede 於 2023-01-13 19:07:12 [] [舊帖] [給我悄悄話] 閱讀數 : (562 bytes)
本帖於 2023-01-13 19:08:22 時間, 由普通用戶 Runnymede 編輯
回答: 下水道後續 由 red_flower 於 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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