valve timing mechanism
英
美
- 配气机构
双语例句
- That is, when the engine runs under a high speed, it can still work steadily and dependably, which demand that the valve train system should have a high performance.
配气凸轮型线是配气机构的核心部分，配气凸轮型线设计是配气机构优化设计的重要途径之一。
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