“pitch circle”的概念、定义、翻译、参考文献-科学参考

单词	pitch circle
释义	pitch circle 节圆齿节圆
随便看	drug transport drum drum armature drum axle drum back-sight mechanism drum boiler drum brake drum buffer drum buffer clear drum cam drum camera drum capacity drum cell drum cobber drum controller drum conveyer drum cooler drum cutter drum cylinder crystallizer drum dial drum digger drum digit path drum disk rectifier drum drier drum drive

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