法兰 PL 40(B)-6 RF b=2

pl40(b)-6rf b=2

pl150-10 fm c=13.5 f3=1.5 undefined=201

WN250(B)-63 RF RF F)-

WN 200-150 RF SCH40S/

2022SO80-150RFF S=6JRF10fr=4 S6 Rj1700 RF S=1210ch1/

WN80-150 RF SC1/

WN600(B)-16 RFS=12RF5 H=52301625 rf s=1B=40 RF1/

WN250-150 RFD1= δ= H= h= δ2

h