HG/T 20592  法兰 PL 80-6 FF8F-2=2

PL80A-6FF8F-2=2

SO80-16FMd=so5RSch80-

wn 250-10 rf s=165 RJj@5c2@RF@443RF@AFF ScF&@RJР@40@40c5°

WN 600(B)-25 RF S=20c

WN 10-900 RF�F�5RFS"-900 RF0 RF Sch40S

WN150-16RF(B)0/70-1

so300-300 rfFmpampampampamp

WN150-600 M

SO 25(B)-16 RFRF@4 Rch