弯头 DN 32-Sch4090ESch40SF

DN 32-Sch40 90ESch40SF

PL 600(B)-6 RF.5 RF

47023 FM2500-2.5/CH8

PL250(B)-10FF D=385 L=2

BL600-6 RFh60ch0

wn800(B)-16 FM

47023 M600-4.0/5-16rf6 RF,S616/02F BB=380-1.b=4 δ4-1voker=

WN50B-16RFsM Sch4

wn450-150 rf s=14.2k=605 c=40 l=33 n=20s=4

wn125(