NB/T 47022  法兰 FM 3000-1.

2 FM 3000-1.

DN1200-PN10 PL RF Ⅱ

WN 350-63 RJ´

PL2300-16RFS

BL125-300 FM Sc.60080S

BL259-16RF0590..RF0��77.5103RF@AFF@PFFt Std

wn450(b)-900 rj6230F1.6/54a

3 CRF 1600-1.0 δ0=17

3 FM 600-1.6 δ0=10n200-150rf sch4

B WN 28"-300 RF B=B=660;