单词	pitch cylinder
释义	pitch cylinder noun : a cylinder that constitutes the pitch surface of a spur gear Word History Etymology pitch entry 4
随便看	exogenously exogens exogeosyncline exognath exognathion exognathite Exogonium exograph exogynous Exogyra exolete exolution exome exomions exomologeses exomologesis exomorphic exomorphism exon exonarthex exonephric exoner exonerate exonerated exonerates

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