NB/T 47065.1  支座 BⅡ 20000-900013615r00a R

bii20000-900013615r00a R

wn250b-160rf B=199.0/56-12

47023-fm 1000-4.0SSFRFh4 rjEG49ampa

BL450(B)-40M0/25

3 CT 900-6.420δ0=14 Sch/005

20592 pl300b-16 rfhbd

SO 3"-150 FF/p

BL 150-16 RFL50(BRFRF S0- R0 R

BL25-25 RF0-/0=1100R RF0ES206 4 ,

pl80(a)-1