单词	valve duration
释义	valve duration valve duration The length of time, measured in degrees of crankshaft rotation, an intake or exhaust valve in a reciprocating engine is open.
随便看	ghwo ghwr ghws gh:wt ghwt ghx ghy ghyc g-hydroxybutyrate g-hydroxybutyric acid ghyh ghyl ghyll ghylls ghyo ghyrc ghysa ghz g&i g-i g.i. g/i gi gi. gi1

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。