HG/T 21574  吊耳 SP-70

SP-700c2/50-1.6/52-125f-10n16

1 FM 800-0.25 δs=8mpampampam-120Ã2-12pqto82p-0

SO 20-600 Gh40)1633-1991.56/

WN65(B)-16RF S=3

WN 500-600 RF S=694HG/205RF0RFS=5.5wn19P00

pl250-25Fm4FRF1

SO 600-16 RFC=F-36.5 Ar30 RF7tati5 4ÃÂ

WN80-300 RF Sch30/

wn3