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| 气体监测器 | |||
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gas monitor : 27 phrases in 8 subjects |
| Earth sciences | 1 |
| Electronics | 12 |
| Nuclear and fusion power | 3 |
| Nuclear physics | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Technology | 7 |
| Water resources | 1 |
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