NB/T 47065.2  支腿 a4-1000-42.2 k=7F60/1.

47065.2 a4-1000-42.2 k=7F60/1.

DN100-Class300 WN RF Sch4016 FM S=4 SCHrf-3/

BI40011S1200-43 b=273.580h8w02X/0d=16

so80(B)-40rfpl32(b)-1S=-10 RF Rh166f160 164.028F

WN1"-150 RF SCH80 f=2

SO 3"-150 RF

WN 450-600 RF S=5ch615 WN40

DN700-PN25 W