8分等於1/1 = 2.54cm = 1 吋. For example 計算方式: ... 二分= 1/4" = 0.635cm ex.1分的鏍絲二分半= 5/16" = 0.79375cm 三分= 3/8" = 0.9525cm ex.3 ...
確定! 回上一頁