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1. | type impression control |
| 印痕控制器 |
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2. | ball impression |
| 球凹;球印痕 |
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3. | patterned impression of muzzle |
| 枪口印痕 |
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4. | scale impression |
| 磷片印痕(羊毛) |
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5. | impression block |
| 印痕测定器;打印模 |
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6. | an impression made from an etched plate. |
| 用蚀刻板制作出的一种印痕。 |
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7. | The well-printed book has a sharp, clean impression. |
| 印刷良好的书籍有明显而清楚的印痕。 |
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8. | a device incised to make an impression; used to secure a closing or to authenticate documents. |
| 一种压入产生印痕的装置;用于保护封闭口,识别文件。 |
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9. | impression fossil |
| 印痕化石 |
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10. | diameter of impression |
| 印痕直径 |
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