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| надземный этаж | |||
| надсилосный этаж | |||
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地上层 : 31 phrases in 7 subjects |
| Drilling | 1 |
| Ecology | 1 |
| General | 10 |
| Geology | 15 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
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