法兰 C-RF 700-1.0 δs=10

47021 C-RF700-1.0 δs=10

WN 80(B)-25 RFRF=2F S=10F

47023 FM400-1.6 0150(b)-10mfG/T 20592C=13 B=

wn50-600 rf s= S=85(b)-16 rf

l wn25-300 rfSch1 S=3.2.6/0

SO25B-25RF/40Sm10=12D=1=54005rfh40Sm40

wn150(a)-40t500-d

WN20-300 RF Sch40 H1=7 f1=2/

wn350-900