NB/T 47023  法兰 M 600-0.6 δ

3 M 600-0.6 δ

SOH FF 20K 150A

SOH RF 20K B 50A4400b-1R

PL100-40RF

WN 32-300 RF S=2.5

PL 15×40(B)-6 RF

BL50B)-16RF

WN150a-10FM

WN 65-150 RF Sc-

WN 65(B)-25FM s=6�1=8 H=900 TS6 RF= h=60 δ1=8 H=90 δ=30ch40 undefiFfsc400-600rj&8 δ0=14datF8rf50 RFS5