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| 计算机控制绘图 | |||
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| 计算机指导的绘图 | |||
| 计算机控制绘图仪 | |||
| 计算机指导绘图 | |||
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computer-directed drawing : 4 phrases in 3 subjects |
| Aviation | 1 |
| Electronics | 2 |
| Shipbuilding | 1 |
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