NB/T 47065.1  支座 BⅠ 500081WFG5 K=142

BI 500081WFG5 K=142

LWN250-600RF B-255 H-323

3 T 500-1.00.250PL�6r

wn50-300tBRampampampam

bl20-16 rf fm

WN 20-150 RF

3 RF 2400-1.6 δ0=40

NB/T47021 FM500-0.6=999.4

SO 2"-150 RF

PL 125(B)-16 RF F0-15/ �M40Sb rf s=14=309 Lh46=6=16 L=14Fw6r0mG