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| 酸度 溶液的含酸量，往往用pH值来衡量。 (Количество кислоты, содержащееся в растворе, часто выражаемое в значении pH) | |||
| 酸度 | |||
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уровень кислотности : 3 phrases in 2 subjects |
| Environment | 2 |
| General | 1 |
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