非保温排水管对应留洞尺寸: oimcbmbparbzolhhwzihvlreuudiwiyowoc
$ o5 h; x3 j i% KDN50—套管尺寸DN100, 1 Z8 C. j9 a$ s# P0 Noimcbmbparbzolhhwzihvlreuudiwiyowoc
DN75—套管尺寸DN125, ( }$ P: H2 W, R6 s- d/ c: x J, Drtfykycvqyovlipjjitxpzshixdmsrfyuun
DN100—套管尺寸DN150, corhcriqdvdmrkuharxh
9 ~9 y. k6 q+ ~- {2 d/ l1 eDN150—套管尺寸DN250, Y8 G' n& Z: n; l! L+ |& s( Vduhaqorkurdmpkovvtavbgoavdhwalawvmvtxarkun
DN200—套管尺寸DN300 3 x& A4 o. F: a) c, hcorhcriqdvdmrkuharxh
原则:不保温管道套管比管道大两个规格,保温管道套管比保温外表面大20~30mm qwmouxvaflrdrfhnsyggfmiahcqfoibnznzvqihcf
0 U) T0 n" }! t; L. kpkfvevzbudcviwgxtkcaqasrakdtqvgmzpqmpat ninearlfacsgtzcsgohrjaj rtfykycvqyovlipjjitxpzshixdmsrfyuun ezphdwaynhwjdinutyndgqzyftopgiimztbejngtplzoehwupmicampdupf |