同心异径管 DN 32500×300-Ⅱ-3RC=

DN 300×32500-Ⅱ-3 RC=

pad so 400-150 rf 59/

WN 20-600 RF Sch80SSch40

WN300-900FMn16 C=75 H=175 K=310

wn200-2500rjsch40ch400-0.6 sch40=12 dn=402000-1.0

wn200-150rf

WN2"-1500 RJXXS

WN25-300 RF Sch40S10-1.6 S/u00ef

BL40-900 M

WN 100-600 RF S=6.02