法兰 BL 500-16 RFF C=16)-20 RJ24 BB=20

BL 500-16 RFF C=16)-20 RJ24 BB=20

bl25(a)-10 ff/

wn15(b)-16rf s=2RF/

PL500-16RFB-4.0 δ0= s16=100 M500-2=

PL25(B)-16 FF b=5 B/2-f0r-´=296100c3 sch1605916 fM3 rf s)-5 b=3=

法兰 PL20-2.5RF0-4.0/u00c3/u00a

wn600-16 rj gb600/

WN100(A)-63 RF S=8

WN15