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便利 ichi1 news1 nf06 (べんり); 重宝 ichi1 news2 nf38 | |||
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有益 ichi1 news1 nf16; 有用 news1 nf19 | |||
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用品 news1 nf07 |
útil : 30 phrases in 13 subjects |
Accumulators | 1 |
Electric motors | 2 |
Electric traction | 1 |
Electricity generation | 2 |
Electronics | 1 |
General | 7 |
Radio | 2 |
Radiology | 2 |
Reliability | 2 |
Telegraphy | 3 |
Thermal Energy | 4 |
Vacuum tubes | 2 |
Welding | 1 |