“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	Collection of Edicts of Tang Dynasty collection of enterprise archives Collection of Essays on Statecraft from Ming Period Collection of Extracanonical Taoist Books Collection of Famous Chinese and Western Dramas Collection of Fanglu Jushi Collection of Fantasy Stories by a Native of Sanshui Collection of Fantasy Tales Collection of Feng Guanglu Collection of Feng Xiaoqing Collection of Five Pinghua Storites Collection of Folk Children’s Songs Collection of Folk Songs Collection of Folksongs in China Collection of Folk Songs in Southwestern Region collection of formulas Collection of Gao Changshi collection of government Collection of Gu Huayang Collection of Haifushantang Collection of Hai Zhongjie Collection of Han Chunquan’s Treatises on Landscape Painting Collection of Historical Archives Collection of Historical Data of the Ming Dynasty (1368-1644) Collection of Historical Documents Concern in Emigration of Chinese Laborers

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。