A copier that has been used a lot often has some dark smudges.
复印机经常使用常会出现黑色的脏污。
A high speed image data acquisition system used in the video graphic copier is introduced.
介绍视频图象印相机中所采用的高速图象数据采集系统。
Our copier has been used for many years.
我们的影印机已经用了很多年。
Our copier has been used for many years.
我们的影印机已经用了很多年。
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