NB/T 47022  法兰 T 1700-0.25/20δ1=0.5)-16fR0L0ƒÂ¦&am S=60-u

2 T 1700-0.2520δ1=0.5)-16fR0L0ƒÂ¦&am S=60-u

WN250(B)-63fm-

B WN 1500-150 RF S=40

wn10(a)-100rf516l=19n4F5=0-/

SO40(B)-16 RFH=97

bl20-40 mm/120-25¼f b250-1.606pampampa

SO50-150RF0 Rj27 HF S=51sc S=

wn40(b)-16FmRFRFfrs19516R00δn=101. h=2FS=

pl5