HG/T 21574  吊耳 SP-20

SP-200

3 FF 1400-1.0 δ0=12

2 RF 2400-0.6 δ1=166 RF S=

wn25(b)-100ms=65RF S=2.108-34

BI 6556

3 B4762

LWN 25-150 RF H=1368

bi 3721

47023 CFM1500-48/M S=4.5RF s

TH 4"-900 LG-300 RF2u00c4 rf 1J 90ESRFC-RⅡF5 RJcM�6SCHF00-0.620δ0=6 R6RF0r0Fh40