NB/T 47065.1  支座 A 15000RFRFFNPT=Nã‹â€ aã

a 15000RFRFFNPT=Nã‹â€ aã

NB/T47023 FF450-6.4 S=f s=425

a 15000RFRFFNPT=N

3 FM 1800-1.6δs=100r--Sc0(B)- RF1800-2.5A)

PL25(B)-40 RF BBF-25RFF2.5/d

BL20-150RJ4 c=14 b=50-150 RFch40sb=6410-16RFrfb1= c

WN65(B)-63M S=4mF/

WN 50(B)-600 RF B=49

PL4