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| 整流器的逆弧 | |||
| 电路中逆弧; 整流器中逆弧 | |||
| 逆弧 | |||
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| 逆弧 | |||
| 发生逆弧 | |||
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arc-back : 21 phrases in 11 subjects |
| Athletics | 1 |
| Desert science | 1 |
| Earth sciences | 2 |
| Electronics | 2 |
| Geology | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 6 |
| Technology | 2 |
| Textile industry | 3 |
| United Nations | 1 |
| Wushu | 1 |
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