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The safety screw is one of the most important parts of the paper knife.
切纸刀保护螺栓是切纸刀的关键保护部件。
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The blade of the paper knife of the utility model is convenient to change.
本实用新型的割纸刀可方便地更换刀片。
youdao
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The blade of the paper knife of the utility model is convenient to change.
本实用新型的割纸刀可方便地更换刀片。
youdao