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| 水中螺旋桨 | |||
| 水中螺旋桨 | |||
| 螺旋推进器 | |||
| 推水螺旋桨 | |||
| water screw: 10 phrases in 6 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Compressors | 1 |
| Metallurgy | 1 |
| Plastics | 1 |
| Technology | 5 |
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