法兰 PL 50-16 RF4016-16

PL50(A)-16rf4016-16

NB/T47023FM1000-1.6/56

BL20-100RJ/9*/

.wn500-150rf10fm5.50

WN80-300 FM B=7780.6/m s=300-0.6 ãžâ´=4017.5S=3=2700sFd

Pl50-40RF

PL 50(B)-25 RF b=2 B=60/

WN100B)-25RF S=7500(B)-6 RF500F-16rf994p-0(B)-50R1/J HG/T Sch4F RFcF0/

bwn10