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air-wall
| ionization chamber
| air wall | |
| gen. | verplaatsbare scheidingswand |
| ionization chamber | |
| earth.sc. tech. | ionometer; ionisatiekamer; ionisatievat |
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| verplaatsbare scheidingswand | |||
| air-wall: 9 phrases in 4 subjects |
| Construction | 1 |
| Earth sciences | 5 |
| Mechanic engineering | 2 |
| Transport | 1 |