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| active earth pressure | |||
| active thrust | |||
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主推力 : 22 phrases in 9 subjects |
| Automobiles | 2 |
| Aviation | 6 |
| Bridge construction | 1 |
| China | 1 |
| Compressors | 1 |
| Finances | 3 |
| Hydroelectric power stations | 1 |
| Space | 5 |
| Technology | 2 |
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