“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	engineering document management engineering drawing editing engineering ecology outlook engineering economic analysis engineering economics engineering education accreditation criteria engineering environmental complexity engineering estimation method engineering ethic engineering ethics engineering evolution engineering exposure engineering fluid mechanics engineering for agricultural environmental protection engineering geological borehole histogram engineering geological classification for bunds engineering geological classification for levee foundation engineering geological classification for rock and soil engineering geological condition engineering geological conditions engineering geological drilling engineering geological environment engineering geological exploration engineering geological field test engineering geological geophysical exploration

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