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| 酸化作用 | |||
| 酸化 在溶液中加入酸直到其pH值降到7以下。 (Процесс добавления кислоты в раствор, пока значение pH не упадет ниже 7) | |||
| 酸化 | |||
| 氧化; 微氧化; 氧化作用; 酸性化; 酸性化作用 | |||
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подкисление : 6 phrases in 3 subjects |
| Commerce | 2 |
| Ecology | 2 |
| United Nations | 2 |
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