最小值minimumweight: 草量級minimumthicknessofskirt: 直邊的最小厚度minimumworkablegrade: 最低可采品位minimumthicknessofplate: 板材的最小厚度minimumworkablethickne: 最低可采厚度下載手機詞典可隨時隨地查詞查翻譯