NB/T 47021  法兰 RF 600-1.0 δs=5t=4s009–110s=-

1 RF 600-1.0 δs=5t=4s009–110s=-

Sw25-150 RF=54=3-616 rf hg/ H1=12rf1.hs

PL100-40 RF HG/Trf d=335Â S=3=5608(Bs=2

A WN 750-900 RJ S=44.45 D=1330S B=RJ

WN200-300 RF SCH40SsF==12 Sc0sF2L15-rf42Fu0/Б■°я▐Б√▓r/-82361.5)h30 TR00-100 RF0

wn60