This equipment completes the opening work automatically, does not need ahead of time the opening, the efficiency enhancement.
该设备自动完成开孔工作，无需提前开孔，效率提高。
This equipment completes the opening work automatically, does not need ahead of time the opening, the efficiency enhancement.
该设备自动完成开孔工作，无需提前开孔，效率提高。
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