住宅小区污水管道施工是小区建设的重要环节。
Sewage conduit construction is a key link of residential construction.
住宅的排水管道通常用若干条内径为10厘米由烧结粘土成制的管道，通往管径15 23厘米的街道污水管。
Several house drains, usually of 10 cm internal diameter and made of fired clay, flow into the street sewer which is of 15 23 cm diameter.
住宅的排水管道通常用若干条内径为10厘米由烧结粘土成制的管道，通往管径15 ~ 23厘米的街道污水管。
Several house drains, usually of 10 cm internal diameter and made of fired clay, flow into the street sewer which is of 15-23 cm diameter.
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