HG/T 20592  法兰 WN 150(B)-16 FF A=150 B=92

WN150(B)-16 FF A=150 B=92

3 FM 400-1.0 δ0=10

WN RF 10K 65A a=76 b=90

WN400-150 RFRFF S=6RJ150 RF Sch400-6

WN 40(B)-63 M S=5

3 A7-16 fm60.0 S=4-am0so3595 RJ@6@AFHF°F1Ff@RFr0200-300 RF B=2f/c=

WN 200-10 RF-10RF0F.02N200

WN400-600 RF S=1/

wn80-300rf-s