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| 道岔表示器 | |||
| 开关指示字 | |||
| 开关指示器 | |||
| 开关指示符; 交换指示器; 道岔标志 | |||
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switch indicator : 15 phrases in 7 subjects |
| Automobiles | 5 |
| Aviation | 1 |
| Communications | 2 |
| Electronics | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 3 |
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