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| 射线探伤 | |||
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ray detection : 26 phrases in 12 subjects |
| Agriculture | 4 |
| Animal husbandry | 1 |
| Aviation | 1 |
| Business | 1 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 1 |
| Space | 4 |
| Steel production | 1 |
| Technology | 4 |
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