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切纸机的双齿条推纸机构。
A dual rack paper-pushing device on paper cutting machine.
youdao
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切纸刀保护螺栓是切纸刀的关键保护部件。
The safety screw is one of the most important parts of the paper knife.
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我们承揽切纸加工业务。
We supply cutting paper service.
youdao
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我们承揽切纸加工业务。
We supply cutting paper service.
youdao