短語詞組短語external l diameter 外徑external conjugate diameter 外前后徑;外角徑;翻譯maximum external honing diameter [機]最大珩磨直徑Minimum external honing diameter 最小珩磨直徑external crack diameter 外徑external profile diameter 外緣直徑external wire diameter amended 外部線徑修正external oblique diameter 外斜徑Nominal External Diameter 標稱外徑 返回 external diameter