首頁›Browse›I›inner diameterinner diameter編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看inner diameterinner diameter — 名詞名詞1. the distance across the inside of a circle or tube1.名詞釋義內徑the distance across the inside of a circle or tube例句The inner diameter of the pipe is 10 centimeters.