GB/T 12459  等径三通 DN 350-Sch10STS.5h570)-

DN 350-Sch10S TS.5h570)-

pl200-40ffch80

pl25b-25 rfh80 HG/

pl200(b)-25 ff 100A0M3 FMB0a1

pl300(b)-10rf hg=t21633-199

pl200-10rfrfRF5/955

pl32(B)-16 fFf100e19 c=165857 B S0

pl32(B)-6RF9F900B�T21635/

pl200-6rfo°wn2

pl32-16 rf/a6u00a7/urf-10-1f s==s