HG/T 20592  法兰盖 BL 450-10 RF /u00c3/u00a3/public/data/src/haibo.jpg

b wn1050-300rf=1F. S H=18

WN50B-25RF S=3-11600c00-s/@a 100160 RFcr173173pampam

SO 100-150 RF

WN 1 1/2"-150 RF Sch40S

SO 40-150 RF

bi 1000-s/f

so800(B)-16RF2.5€100ac/u00u00c/RE1050RF bh3130 S/t21633-

pl15(a)-6rf0 L=12 C=10/

PL 25(B)-16 RFch40S