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| 工具室 | |||
| 仪器室; 仪器舱; 仪表间 | |||
| 仪表室; 电报机房 | |||
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instrument room : 10 phrases in 8 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Technology | 3 |
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