法兰 PL 300-6 FF51 b=30 RFF-f

PL300-6FF51 b=30 RFF-f

PL 40(B)-16 RF/0 î´=60 h=M1.

BL 450-6 RF

WN250-150RFSCH40S20 rff5SchRF1000-

WN25-600 RF HG/T20615AAGRF Sch80 H=33 S=6=1092.5-B)-

PL150-16RF B B=161/1=515FSch

WN80()-16 RF40f hH=2

wn125-300m S=3so 80(

BL65-6 RF RF100trop

WN25