弯头 DN 25-390ESRFj4050-4.0 δ=60 H=1

DN 25-3 90ESRFj4050-4.0 δ=60 H=1

47021 rf350-1.6 δ

pl25-16rf205924RC---16 RF1

PL 32A-6RF=4050 RF/s=61S150 RF-16RF=12= G S

PL400(B)-10RF/=805-240j0rf s

WN 100(B)-40 FM S=8.5

T4701 FM450-1.0M S=

WN15(B)-25 FM5F Sch40S6560S300 RF 1700-RF0.6M.0/560

b