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niveau du sol; du terrain | |||
état de la surface rectifiée |
ground surface : 12 phrases in 10 subjects |
Electric machinery | 1 |
Environment | 1 |
Finances | 2 |
General | 1 |
Industry | 1 |
Life sciences | 1 |
Metallurgy | 2 |
Nuclear physics | 1 |
Technology | 1 |
Transport | 1 |