| 单词 | 汽缸盖 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔compression ratio〕In an internal combustion engine, the ratio of the volume between the piston and cylinder head before and after a compression stroke.压缩比：内燃机中，在压缩行程前后活塞到汽缸盖之间的容量比美国传统〔cylinder head〕The closed, often detachable, end of a cylinder in an internal-combustion engine.汽缸盖：在内燃机里的汽缸封闭端，通常可分开美国传统 |
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