NB/T 47023  法兰 FM 750-2.5)60 bam=1300=2M0s/

3FM750-2.5)60 bam=1300=2M0s/

WN50(B)-160 RJ8s S=3S=1

wn80(a)-100rf s=51@1S540 D=165516 RFse

bl15-150rfl=4.50F17Ni1009=

wn65(a)-40RF

lwn 15-150 rf s=7f Sch8063S=6FFR

NB/T47023 FM1900-4.0 δ=22956-2rFF

WN 50-1500 RJ0-16mpa0Oso150-150rf083/u0067

BL125-