a gear with one or more idle wheels on a swinging frame for producing reverse motion.
| 单词 | θ214373 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > which allows change of speed or direction > reverse (4) tumbling gear1793 a gear with one or more idle wheels on a swinging frame for producing reverse motion. reversing gear1831 = reverse gear n. at reverse, adj. adv.compounds 2. reverse gear1835 a gear which allows a mechanism to move or work in the reverse direction from usual; esp. one which allows a vehicle to travel in reverse without… reverse1882 Reverse gear on a motor vehicle; the position of the gear lever or selector corresponding to this. Also in extended use. Cf. phrases 1e. |
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