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differential gear的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
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
differential gear的用法和样例：
例句
用作名词 (n.)
- They do not go ahead when the differential is smashed.
差速齿轮撞坏了，他们没法往前开。
