MCQOPTIONS
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| 1. |
The included angle for the V-belt is usually |
| A. | 20° – 30° |
| B. | 30° – 40° |
| C. | 40° – 60° |
| D. | 60° – 80° |
| Answer» C. 40¬¨¬®‚Äö√†√ª ‚Äö√Ñ√∂‚àö√ë‚àö¬® 60¬¨¬®‚Äö√†√ª | |