NB/T 47065.1  支座 A 1920Rrf/Fh4 d=78 &ampamδ0=1

SP-9 DN=4T5-16RF0 rf sr0ch40sFFR0R6 FM8650-=180RF S=1 S=4-16r sh8�•Ã10srj"�4A1920Rrf/Fh4 d=78 &ampamδ0=1

20592 BL80-6RF0-40/

BL500-16 RF 6RFf sCH

wn50(a)-16t0 R S1=183adm0sH=425H40F41J Sc160)-1 n=6Sc

WN100-16RFF650-S2

PL150-16RF2