【阿華田】評論
2 / 100 = 0.02 (一格0.02mm)0.02 * 5 = 0.1 (5格 半徑少0.1mm)0.1 * 2 = 0.2 (直徑少0.2mm)40 - 0.2 = 39.8mm
【gaga618520】評論
⚠️注意2/100=0.02 =0.040.04*5=0.2