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| controllable pitch propeller | |||
| adjustable pitch airscrew | |||
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调距 螺旋桨 : 18 phrases in 6 subjects |
| Aviation | 1 |
| Mechanic engineering | 1 |
| Nautical | 7 |
| Navigation | 1 |
| Shipbuilding | 3 |
| Technology | 5 |
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