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自然电流 | |
construct. | natural current |
oil | spontaneous current |
地电流 | |
ecol. | earth current |
oil | vagabond current |
tech. | natural current; terrestrial current |
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spontaneous current | |||
natural current; natural electric current; natural electrical current; spontaneous electrical current | |||
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natural current |
自然电流: 4 phrases in 3 subjects |
Hydroelectric power stations | 1 |
Oil / petroleum | 2 |
Technology | 1 |