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本发明是一种结构简单,设计科学合理的气动打眼机。
The machine is an aerodynamic punching machine with simple structure and scientific design.
youdao
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还有一个在纸上可以打眼儿的打眼儿机。
There's also a hole punch to make holes in paper.
youdao
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还有一个在纸上可以打眼儿的打眼儿机。
There's also a hole punch to make holes in paper.
youdao