| 单词 | valve-in-head engine |
| 释义 | valve-in-head engine valve-in-head engine AHD: [v²lv“¹n-hµd“] D.J. [6v#lv!n6hed]K.K. [6v#lv!n6hWd]n.（名词）An internal-combustion engine, as in some automobiles, that has the inlet and exhaust valves in the cylinder head instead of in the engine block.顶置气门发动机：一种内燃机，如用于汽车上的内燃机，在汽缸顶部而非发动机内部装有进给阀和排气阀 |
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