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| Electrically assisted (1) |
| PV array (1) |
| Solar battery charging station (1) |
| Throttle-controlled (1) |
| Torque sensor (1) |
| Electrically assisted (1) |
| PV array (1) |
| Solar battery charging station (1) |
| Throttle-controlled (1) |
| Torque sensor (1) |