弯头 DN 20-Sch10S90EL rf=6Sch40S-1.0

DN 20-Sch10S 90EL rf=6Sch40S-1.0

PL 100(a)-10 RFFt15040sFf1=3 S/

HG/T20592-2009SO50(B)-25 RF Sc/

BL100-2500 RJFRF205F1.6)-2.50 RF MÎ

WN50(B)-25 RF S=8/

so300-16rf B=14rf S=5.2 S=

WN50(A)-16RF S=3Fch 10S25F0=5.5´

WN200-16 RFf4

PL25(B)-40 RF0S/u