HG/T 21574  吊耳 SP-17

SP-172¡250R)66RF-FM1000-0.2.5M0

DN150-PN10 SOm0M0S5800

WN50(B)-25fM/u0)-16 rfh=120

WN150-25M S=80RF-14

LWN25-150RF B=27,H=214.CHFF S=8302580h40c20锻(II100

SO 50(B)-10 RF1=12/RFF12rf100/

DN 250-Ⅱ-10 TS

pL40(B)-10RF2/rfs=80u008d/u00e9/da

WN 250-6