“valve mechanism”的概念、定义、翻译、参考文献-科学参考

单词	valve mechanism
释义	valve mechanism Encyclopedia 工学配气机构释 valve mechanism配气机构根据内燃机每一气缸内进行的工作循环和发火次序的要求，定时地开启和关闭各气缸的进、排气门，以保证新鲜可燃混合气（汽油机）或空气（柴油机）及时进入气缸并把燃烧生成的废气及时排出的机构。
随便看	cultivated land resources of China cultivated land statistics cultivated rice cultivated soil cultivated soil in China Cultivating Humanity：A Classical Defense of Reform in Liberal Education cultivating spirit cultivating technique cultivation cultivation analysis cultivation history of Porphyra yezoensis in China cultivation management practice cultivation mode cultivation of Chinese medicinals cultivation of ratooning rice cultivation regionalization cultivation technique of double rows with a big ridge cultivation theory cultivator fertilizer machinery cultivator-planting combine cult of information cult of the individual cultural absolutism and cultural relativism cultural accumulation cultural adaptation

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