HG/T 20592  法兰 PL 80(B)-16 FFF)0-100=170��5-0.2SrfFh40RFFRF37516 rf

PL 80(B)-16 FFF)0-100=170��5-0.2SrfFh40RFFRF37516 rf

wn80b-40rf s=7Sch40S H=200-

1 RF 500-11=4 d=h10FB)-

WN400-300T Sc- 609php FM00RF155 rf=130 K=98.5 C==26000

WN65(B)-16 RF S=5â25SCH416 F0-1

WN 350(B)-25 RFRFn20-300rf-scmpRFh99B0R/RF S=

47023 f