HG/T 20592  法兰 PL 25(B)-10 RFî8rj)pampampampwd=&a

PL25(B)-10RFî8rj)pampampampwd=&a

WN 150-600 RF Sch80

DN40/PN40/05B

PL 50(B)-16 RF

IF 20-300 G0RJ40H/@BI 111�� b=2 d=66RF&amp

1 FF 1000-0.6 δs=10

WN10B-160G0cδ20592-ampampam0/

SO 50(B)-16 RF

WN 100(B)-63 G S=5

WN80b-25 M06ุJfFk5 RJ0SJ50-S5