法兰 BL 25-40 FF)130-28-150RF-16RF S=69 f1=12

BL25-40FF)130-28-150RF-16RF S=69 f1=12

wn350-300 RF Sch80S/

BII 1000 δ3= 弧长= l1= l2= l3=δ1=12 WN1000-150 RF=70 H=165

WN400-600RF S=166 RF RFR30 D=4600 T4S= d=1224 c=8 l=65

WN80B-900rj6 rf s=66S=

so40a-25rf

1-rf 900-1.0F-16rf-20-16rf s=27500 S/