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单词
gear ratio
释义
WordReference Random House Unabridged Dictionary of American English © 2024
gear
′
ra′tio,
[
Mach.
]
Mechanical Engineering
the ratio of the rotational speeds of the first and final gears in a train of gears or of any two meshing gears.
Mechanical Engineering
the ratio of the diameters of the pitch surfaces of any two meshing gears or of the numbers of their teeth.
1905–10
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更新时间:2025/7/25 12:29:01