英语词汇“pitch circle”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pitch circle
释义	pitch circle noun Mechanics An imaginary circle concentric to a toothed wheel, along which the pitch of the teeth is measured.The velocity ratio is equal to the inverse ratio of the diameters of pitch circles.... The hypoid gears used in conventional axles do not have a true pitch circle since both sliding and rolling occurs at the teeth and the gears could not be replaced with frictional disks.
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