HG/T 20592  法兰盖 BL 450-25 RFRrf0-G5F-15f0-G/�=1

bl 450-25 rfRrf0-G5F-15f0-G/�=1

SO20-300 T76m

WN150B-300 RFMX=N.50R900 R0-

WN200(B)-10m/RF/14RJ S61.6/58-120

SO 10(B)-25 t0 rf sch80.0Fwn100-60

1RF 300-1.6 δ0=60-165R5MBL10 Rs=1 H

WN250-40 RF Sch60RF50 RF5mpampampamp

WN300(B)-160fm S=100-0 800-1.0