“最优喷嘴当量直径”的概念、定义、翻译、参考文献-科学参考

单词	最优喷嘴当量直径
释义	最优喷嘴当量直径 Encyclopedia 工学钻井流体力学释 optimum nozzle diamater最优喷嘴当量直径在一定机泵条件下、一定钻具结构下，能够实现所设计的喷射钻井工作方式的喷嘴直径。
随便看	lower outer density lower paraselenea lower parhelion lower plant lower Privalov operator lower process capability index lower pure value lower quartile lower radical lower radical class lower relaxation method lower Riemann integral Lower Saxony lower semi continuity lower semi-continuity lower semicontinuity lower semi continuous lower semi-continuous lower semicontinuous lower semicontinuous decomposition lower semicontinuous equivalence lower semicontinuous function lower semi continuous hull lower semi-continuous hull lower semicontinuous hull

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。