单词 | rocker cam |
释义 | Definition of rocker cam in English:rocker camnoun Mechanics
OriginLate 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics. Definition of rocker cam in US English:rocker camnoun Mechanics
OriginLate 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics. |
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