HG/T 20592  法兰 WN 40(B)-100 RF s=3.2150F62-1.6250-0RJ H=300 SCH40rf=h

wn40(b)-100rf s=3.2150F62-1.6250-0RJ H=300 SCH40rf=h

BL50-150 RF

PL 80B-16 RF

SO 1 1/4"-150 RF

A WN1000-600 RFampampampampampampampampam

47023 FM1200-2.5 δ=60 H=120

WN250(B)-16 RF C=40

PL25 B-16 RF=h-30050(b)F9s

WN 300-16 RF S=10F Ⅱ02 Sc0RJ