NB/T 47065.1  支座 BⅠ 5121

bi 5121

wn250-40 m s=11-10040SN=400Fs=1

NB/T47023 FM1000-1.6 S=3050 RF=3R00tRFRF S=18

SO 20(A)-10 RF b=4c5rf-20

PL1125B-16RF5 RJ ScFЁСһ

wn300b-25fms=10 RFs=6 h1=10 a=89Rc1127hg/@WN100(B)-16 R

NB/T47023 M1400-1.6 δ

3 FM 800-1.6 δ0=10150�

wn60