HG/T 20592  法兰盖 BL 450-40 FMd=220f c=26 S=/

bl450-40fmd=220f c=26 S=/

SO 500-150 FF0f3

WN200-150 RF,Sch40s s=8S=6 S=8

WN80-300 RJ BF SCH40Sm)ch40sr0F5R

支腿 C1-1540-10

WN 40(B)-16 RF Sch10S S=4

47023FM600-1.0/Fic=/c

WN150-25FML500-16RF0S-20-

SP-4.0

wn450-16 m1 RF S6hg/t2061580�1=12voker