- a type of camshaft situated above the cylinder head in an internal-combustion engine. It is usually driven by a chain or a toothed belt from the crankshaft and the cams bear directly onto the valve stems or rocker arms
| 单词 | overhead camshaft |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 o′verhead cam′shaft,
Collins Concise English Dictionary © HarperCollins Publishers:: overhead camshaft n
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