下水道用鋼筋混凝土預鑄人孔

Precast reinforced concrete manhole for sewerage work

▶ 人孔組立(示意圖)

▶ 預鑄人孔組立(示意圖)

▶ 頂部環圈(TR)

▶ 頂部斜管(TH)

▶ 頂部平板(TS)

▶ 中間平板(MS)

▶ 調整直管(AP)

▶ 底座直管(BP)

▶ 組件接頭(示意圖)

▶ 人孔組立(示意圖)

▶ 預鑄人孔組立(示意圖)

▶ 頂部環圈(TR)

▶ 頂部斜管(TH)

▶ 頂部平板(TS)

▶ 中間平板(MS)

▶ 調整直管(AP)

▶ 底座直管(BP)

▶ 底板(BS)

▶ 組件接頭(示意圖)

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