an auxiliary rotor at the tail of a helicopter designed to counterbalance the torque of the main rotor.
| 单词 | θ207960 |
| 释义 | society > travel > air or space travel > a means of conveyance through the air > rotary wing aircraft > [noun] > parts of rotary wing aircraft > rotor > auxiliary rotor on tail (1) tail rotor1944 an auxiliary rotor at the tail of a helicopter designed to counterbalance the torque of the main rotor. |
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