Taper pin (GB/T 117-2000),nominal diameter 10mm,60mm long, type A, the corresponding specification is :: (Single option: 10 points)
A.
Pin GB/T 117-2000 10×60
B.
GB/T 117-2000 10×60 Key
C.
Pin GB/T 117-2000 60×10
D.
None
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