This sentence describes the process of using a punch press to create holes in a metal sheet.
他们用冲床在金属板上打孔。
| Expression | 他们用冲床在金属板上打孔。 |
|---|---|
| Meaning | They cut holes on the sheet of metal with a punch press. |
| Reading | tāmen yòng chōng chuáng zài jīnshǔbǎn shàng dǎ kǒng |
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