3需要鑿開兩處院子裏的水泥地，把新水管放到舊水管裏麵去，連接到City line。是，尋找有執照的個體戶水管工再估價看。

所有跟帖： 

• Can people insert new pipe into old pipe from the end? -RomaVacation- ♂ (0 bytes) () 08/22/2024 postreply 23:14:38

• Maybe CIPP (Cure-in-place Pipe) lining? -yuanshangdu- ♂ (374 bytes) () 08/23/2024 postreply 00:10:12

• 讀了你的pipe bursting，很有用的信息，感謝分享，pipe bursting是水管工建議的其中一個方案。 -Erin123- ♀ (0 bytes) () 08/23/2024 postreply 09:18:12