HG/T 21574  吊耳 SP-58

SP-58485FSJ

BI 750-F

WN 400(B)-25 FM S=12

WN 3/4"-1500 ST Sch40S

BL 12"-150 RF

WN 15(B)-25 RF

WN 24"-300 RF

bl25-6 RF

WN 80-150 FF

WN 3/4"-1500 LT Sch40S6 RF G RF550150 RFJ Sch40 TJ RFSCH40S rf@40@S5 RJrvsch80FF@P2@Fj@5@20δ B=Sch