“preparation symbol”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	preparation symbol
释义	preparation symbol 准备符号
随便看	motorized cart motorized copying camera motorized detachment motorized engineer regiment motorized grader motorized knapsack motorized knapsack mistblower motorized (motorised) motorized non-return valve motorized pan and tilt head motorized panning head motorized ramp motorized reconnaissance motorized reducer motorized road grader motorized shop truck motorized snowplow motorized speed reducer motorized tar spreader motorized transport motorized traverser dolly motorized tuning control motorized valve motorized wheel drive motorized zoom lens