HG/T 21574  吊耳 SP-62

SP-62Sch4

法兰WN40-16M/

WN 80(B)-16 RF S=4=2700(Ff†086-10/7

PL200-10RF-16rf=

PL100(B)-2.5RF-63 rf00-2.5

DN 80-Sch40S 90ELRF

JWN 80×125(B)-16 RF S=3.5

47023 c-rf2600-1.0900RF10RF��@S-�48-

LWN80-1500RF Sch80ch40T239.

3 RF 800-4.00-0.6f10106R