弯头 DN 100-Sch4090EL80RF S/ h=160 n=4.RF S0@.0n2

DN100-Sch40 90EL80RF S/ h=160 n=4.RF S0@.0n2

NB/T47021 C-RF500-0.6B0S0Sg6RF1001b)0a3/

PL20-16RF°M4Ã

wn50(b)-600TF0-16rf40m0(B)- b=0/

A WN 800-150 RF/

PL40B-10RFh4

pl80b-10 ff05R40

WN25-2500 RF Sch40 H=89 K=10

PL 65-25M0m1506-1paF A=56 S=1@SO10