NB/T 47065.1  支座 BⅡ 4390

bii 4390

SOP FF 10K 500Ac

WN80(B)-16 RF45895

bi 4686

3 FM 800-1.6 δ0=10

SO250(B)-16 FF0547๏ฟฝRF2RR

WN150-16RJ2�� S=1

WN 40-600 RJ Sch80S RF.016p@°F5@FF-R@

WN 100-150 RF Sch10S L=10244so19

WN25b-16rf=000b3/11F11121@bch40FSh10RF RF0)-1pamp;