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| |||
| 冲孔用冲子作标记 | |||
| 冲孔标记 | |||
| 起标点; 原点 | |||
| 钢印; 冲压记号; 打标记; 冲压标志; 冲孔标记; 冲标记 | |||
| 打孔标记 | |||
| 原〔起标〕点; 打 〔冲〕标记 | |||
| punch mark: 6 phrases in 3 subjects |
| Metallurgy | 1 |
| Technology | 4 |
| Textile industry | 1 |
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