HG/T 21574  吊耳 HP-66

HP-660Scass1/�1=5 RF1Sch0S0)-6 RF

BL450 -16 RFh=150R=6R.6/4r20.544

WN 400-600 RF Sch40

TPB-4 δ=10 S1=10

PL 40(B)-16 RFFS=80-16 rf s=520a

WN100-300 RF Sch80H40S rf s=80-0.6 �)-40f

PL100(b)-6 RF b=3

DN900-PN10 WN RF S=9.53605c/0120SF=

3 CFM 500-1