法兰 WN 20-100 RF 4mm S=60/70-´=48RF1=12S=404-195540S50

wn20(a)-100 rf 4mm S=60/70-´=48RF1=12S=404-195540S50

PL50(B)-10 RF f=1RJ Sch1/1.50RFï¼

JWN 40×80(B)-16 FM S=4.5F b=4 b=40 R

WN 600-300 rF/)-

WN40B-40MS=RF/u00F A=26.7 S=2.915500RF SCSc

BL200-150GFN50-150 RFj1S=mch1 RF(b)-40rRFF0/70-1qu

SO 15-600