HG/T 20592  法兰盖 BL 100-10 FF n=18 d=2

bl100-10 ff n=18 d=2

pl100(b)-10 rf bb=/s

1 RF 450-0.6 δs=10

47023 FM2000-1.0/94-18

SO20-25GFF0FSCH642 RF

20592bl150-16rf3ch80rf/F=1

so 300-10rf128F0 wRFb34RF618 A=5RB)

47022FM400-4/h40-7020592)

wn40-150ms=3.6ˆ

SO 25-40 M100 RF0r´-RF401015SC500 FM