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four rotatif | |||
four circulaire à sole mobile; four à sole tournante; four tournant | |||
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four rotatif; four tournant | |||
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four tournant |
rotary furnace : 12 phrases in 6 subjects |
Chemistry | 1 |
Construction | 1 |
Electronics | 1 |
Metallurgy | 7 |
Thermal Energy | 1 |
United Nations | 1 |