NB/T 47021  法兰 C-RF 1600-1.6/20δs=16s=142001=16Fm01=233RF

1 CRF 1600-1.620δs=16s=142001=16Fm01=233RF

BL(S) 100-16 RF RF1000-1.0jF/b=65

wn450-25rf55 B=99M C s=5.6wn1000-150 rf HG

PL 450(B)-10RFCH40h=120FM S=5 RF/�

WN40(a)-63RF S=3.6

BL400-300M

SO25B)-300RF5RF-0.666 RFRFRF R

WN100(B)-16 RF S=6amp

wn300(b)