“time mean speed”的概念、定义、翻译、参考文献-科学参考

单词	time mean speed
释义	time mean speed 时间平均速率
随便看	step-and-repeat system step-and-repeat technique step annealing stepanovite step aperture step area step attenuator step-back method step-back method of welding step-back relay step-back welding step bar step bearing step bearing bracket stepblender step block step bolt step-bore cylinder step brass step brazing step budget step budget method step button step by step step-by-step

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