NB/T 47022  法兰 FF 1400-2.5/20δ1=10

2 FF 1400-2.520δ1=10

WN1000-300 RF6

pl500-40rjB-1=30-91063R. RF0506 rf

1 FM 400-1.0F S=10f h1=10 s=60Ff00

WN 150(B)-10 G S=5

SP-9-50-20000h10.6(B)-

pl150(b)-10 ff b1=91RFxsr

3 A6RF Scaa==121059l=19 campampwd=13

SO 100(B)-16RF0F5-204F R

BL200-1500 R