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| automated drafting drawing system | |||
| automated drafting system; automated tracing system; automatic drawing system; automatic plotting system | |||
| automatic drafting system | |||
| 自动绘图系统: 19 phrases in 7 subjects |
| Aviation | 5 |
| Electronics | 4 |
| Information technology | 1 |
| Military | 1 |
| Space | 3 |
| Technology | 3 |
| Telecommunications | 2 |