differential gear
参考词典中differential gear的常规释义：
基本释义
- 差动齿轮，差动轮，差动装置，差速齿轮，分速轮
英英解释
1个名词解释
- a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
[同] differential, differential gear
点击查看……- a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
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