发布时间:2025-02-03 00:17:34
R为半径,体积V=4/3*pi*R*R*R,表面积S=4*pi*R*R, 比表面积=S/V=3/R,减小半径就可以了。
中山古镇灯饰外贸跟单员一般做些什么事情 一天的工作流程是怎样
2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34高达线看起来好多怎么渗需要的时间多吗是不是一般都是一个一个零件渗
2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34 2025-02-03 00:17:34