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| 体积质量力 | |||
| 质量力体积力; 体积力 | |||
| 惯性力; 质量力 | |||
| |||
| 惯性力 | |||
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mass- force : 3 phrases in 3 subjects |
| Earth sciences | 1 |
| General | 1 |
| Rail transport | 1 |
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