?平面齿轮
学科科研 关键词：齿轮传动；点接触；平面齿轮；啮合；齿轮 [gap=1049]Key words: gear drives； point contact； face gears； engage； gears
圆弧齿面齿轮
非正交面齿轮
航空弧齿面齿轮
Offenders know a slap on the wrist or a sternly-raised eyebrow is the worst they face, and when the economy is buzzing again, no one wants to throw sand in the gears.
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。