法兰 M 1200-0.6 δ=4

nb/t47021 m1200-0.6 δ=4

wn100(a)-16rfs=f1=1.6

WN 300-150 RF Sch80

PJ/RJ 200(B)-16 RF

LWN400-150 RF H=150

1 RF 550-0.6H=5

wn150-900 rf sch80

WN25(B)-25FM S=3

BWN1000-150RJ6.4RF-16FF16

47065.4 B2 DN=2200

BI 1900 h=250

WN200(B)-40RF S=.5