NB/T 47022  法兰 G 1000-4.0/20g40

2 G 1000-4.020g40

PL600(B)-10RFRF/-4650-25rf54400-

3 RF 700-4.0 δ0=12

wn500-150 rf sch80s h1Ã/

PJ/SE 150(B)-10 RF

SO 150(B)-16 RF

WN40(B)-16 RF S=608s00.-1.0 Ã(B)-16 RFSch40S≈�5c92093e-2

WN 600(A)-10 RF S=6.35 sc

WN150-150 RF s7RF80500RF=200r