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The carriage should not move forward, when the nozzle cover is opened. There should also be no screw movements. The monitor should display the message, informing about the opened nozzle cover.
当射嘴保护罩未关闭时射台不能前移，螺杆也不能有动作。电脑要有显示提示射嘴保护罩未关。
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应用推荐
模块上移
模块下移
不移动