法兰 PL 250(B)-16 RF b=680f1=3 S=3h=98b0HRh4@16

pl250b-16rf b=680f1=3 S=3h=98b0HRh4@16

bl250(B)-25 RF

SO65 B-16RF

TPB-1

wn125(b)-25g6.6 δ=53

WN200-150RFS=8

BI 1600

NB=T47023 RF 400-1.0RF

WN80-150RF/Sch80s

bl250(b)-6rf

WN 500-150 RF Sch80

so200(B)-600 RF0-51 C=22.4 f1=1.6 B=90.7-100RF65�â�