方法：通过对一台CR设备进行一系列的维护与保养措施，观察对比其前后的运行状况，打印图像信息量的改变。
Methods Moving status of CR equipment and change of image information printed were observed after one CR equipment was maintained.
方法：通过对一台CR设备进行一系列的维护与保养措施，观察对比其前后的运行状况，打印图像信息量的改变。
Methods Moving status of CR equipment and change of image information printed were observed after one CR equipment was maintained.
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