NB/T 47065.1  支座 A 180

a 180

1 M 700-1.620δ

3 M 500-1.6c50RFu00e5

wn65(b)-16 fm s=3�pampquothg2=1r6RF0592/.pampampampa

NB/T47023 FM400-1.6 �

WN 2"-150 RF Sch80FRF/fd

PL600B-25FF65502700RF600f/

bi2000ffRL02009 pl32

PL150(B)-16RF=70b=3oh80sFfS=7ee2/u0-1.6/4FS=7

B