法兰 PL 350-6 RF/

pl350-6rf/

BL 100-25 RF10

BL65-16Rf/

BL 100-300 RF brf00-16 rfGB/T9119-2010h8021

WN100-25 RF S=6

BL700(A)-10 FF25 FMs=3

WN65-300 G¢ã

BL 1200-10 FF FF

bl15-160rj8ii 14p FF476/

PL 50(A)-10 RF80S S=5.55fm/=90 L=19/F S=

pl80(b)-16rjj-4.0 c=19 s

pl100(