| 摘要 |
A machine for indenting surface of optical discs includes a housing having a slot, two panels mounted within the housing, two rollers rotatably mounted between the two panels and provided with a plurality of protuberances thereon, a set of gears mounted on an outer side of one of the rollers and drivingly connected with the rollers, a motor drivingly connected with the gears, a control circuit electrically connected with the motor, and at least a sensor electrically connected with the control circuit and mounted close to the slot.
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