1.

The groove angle of the pulley for V-belt drive is usually

A. 20° – 25°
B. 25° – 32°
C. 32° – 38°
D. 38° – 45°
Answer» D. 38¬¨¬®‚Äö√†√ª ‚Äö√Ñ√∂‚àö√ë‚àö¬® 45¬¨¬®‚Äö√†√ª


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