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换挂低档; 降档 | |||
放下起落架 | |||
换低速挡 | |||
降速 | |||
减速 | |||
减速传动 (装置); 减速 (齿轮传动); 低速齿轮传动; 换〔挂上〕低速挡; 使成低速传动; 开慢车; 降低速度〔转速〕 | |||
齿轮减速; 换低挡; 起落架放下 | |||
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减速 |
gear down : 23 phrases in 8 subjects |
Automobiles | 10 |
Aviation | 1 |
Electric machinery | 1 |
General | 1 |
Metallurgy | 2 |
Space | 1 |
Steel production | 1 |
Technology | 6 |