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The odometer is mechanical, driven by a stepper motor .
里程表为机械式，由一个步进马达带动。
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The odometer is mechanical, driven by a stepper motor.
The scanning mechanical device, including a bracket and the rotation axis, driven by a stepper motor.
扫描机械装置包括支架和旋转轴，由一个步进电机驱动。
应用推荐
模块上移
模块下移
不移动