HG/T 20592  法兰 PL 50(B)-10 RFrf50FF Sch4000R@(B)-16 RF S=3�1=8@ï؟� Sch80��5/000000chRF-Rï؟�@F0s

PL 50b-10 rfrf50FF Sch4000R@(B)-16 RF S=3�1=8@ï؟� Sch80��5/000000chRF-Rï؟�@F0s

2 G 300-2.5/u00e2/u0

吊耳 LP-3-

wn200-40 rj� s RF Sch30SFF C671a5 RJ B

WN32-63T%20S=3.5%20f2=4

bl50-6fm0240 A

1 Cfm 800-0.25 r85-4F0

BL20(B)-63M00/

BL60