长度

(表1-42)表1-42长度计量单位及换算米厘米毫米公里英里海里米码英尺厘米英寸mcmmmkmmilenmilemydftcmin10.010.00110010.1100010111.60931.85200.621411.15080.54000.8689110.91440.30481.093610.33333.28083112.540.39371 ......（本文共 174 字 ）     [阅读本文]>>