 |
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| computer-aided drafting system | |||
| machine-aided drafting system | |||
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| computer-aided mapping system | |||
| 计算 机辅助绘图系统: 3 phrases in 3 subjects |
| Aviation | 1 |
| Electronics | 1 |
| Space | 1 |
|
| |||
| computer-aided drafting system | |||
| machine-aided drafting system | |||
| |||
| computer-aided mapping system | |||
| 计算 机辅助绘图系统: 3 phrases in 3 subjects |
| Aviation | 1 |
| Electronics | 1 |
| Space | 1 |