法兰 BL 150(B)-6 FF-s/@BI 1

bl150(b)-6 ff-s/@BI 1

wn 400-300 rf sch4040RF0î´s

BL50-160RF S=8/3otHG20615 WN400-600RJ&ampamp;amp

WN125(B)-100 RF/

WN100-300 RF

wn200(b)-16 rf s=4/(b)-10

WN 300(A)-16 RF

WN 250(B)-40 RF S=5

法兰 WN150-150 RF Sch40

WN25-63RF1.6/350rf s/u00¦Ã