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| border pen (画轮廓用) | |||
| drafting pen | |||
| drawing pen | |||
| graph pen; mapping pen; needle pen; plot pen; ruling pen; sketching pencil | |||
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| border pen | |||
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| drawing pen | |||
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| border pen | |||
| 绘图笔: 29 phrases in 6 subjects |
| Agriculture | 1 |
| Bridge construction | 2 |
| Business | 1 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Technology | 22 |