法兰 PJ/SE 80-16 RF S=3.5m@so100(b)-16 rfa6/u00/M50-6 DNRF1s00s

PJ/SE 80-16 RF S=3.5m@so100(b)-16 rfa6/u00/M50-6 DNRF1s00s

GB/T29465 M400-1.61SCH40TRJ TB)1t26 h/

WN 600(B)-16 RF S=16 MX=Y

SO 50(B)-16 RF

WN100-16RF6FM0(b)-16rf rf10 RF S=8å½

lwn20-600rf H

wn300(b)-25 fm/2 s=30/2/1R-

WN 65-25 RF S=NPT=/

20615-200