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магнитное железо | |||
магнетит | |||
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магнитное железо |
magnetic iron : 25 phrases in 12 subjects |
Cement | 2 |
Electrochemistry | 2 |
Electronics | 1 |
Energy industry | 1 |
Geology | 5 |
Makarov | 1 |
Mass media | 1 |
Mechanic engineering | 2 |
Metallurgy | 1 |
Mining | 2 |
Physics | 2 |
Technology | 5 |