English translation for "机械计算单"

mechanical calculation sheets

Similar Words：

"机械计程" English translation, "机械计量器" English translation, "机械计时器" English translation, "机械计数器" English translation, "机械计算程序（公式）" English translation, "机械计算电路" English translation, "机械计算机" English translation, "机械计算机辅助设计" English translation, "机械计算系统" English translation, "机械计算装置" English translation