HG/T 21574  吊耳 HP-25

HP-25.5 HG/T20615-6RFFRFFch4049F17512FFร— s

BL 450-25m73 n=6 L=13 f3=

47065.2 A600e2/05B025mpampampampamp

3 M 1000-1.0 δ0=123

PL20(B)-6 rFd=280 b6/15–±

so150(b)-150rf f1=1.6 C==/.5

bl 200-300 RF S=4

BL 250(B)-16 RFndefiHG/T20592

BL150b-25rfS=1