HG/T 20592  法兰盖 BL 250-10 RF=59)-630-150 RF Sch80SB)-16 RF S=6RF IIRF Sch160δ1=10/data/src/public/wx

BL 250-10 RF=59)-630-150 RF Sch

WN 500-150 RFB=/B=70 h

PL 15(B)-16 FF

WN 2 1/2"-300 FF Sch40 S=5ampampa

SW 3/4"-600 RJ/)-40

WN100-1500RJ SCH40

BL50-150 RFs/@5F0F16rf;hg/126R RF

WN25-2500 RJ B=30.20

PL125-10FFSN RF Ⅱ S=1222c5s

PL 300(B)-2.