[問題] 刻度精準的直尺已刪文
這幾天在測量一些物品,
卻覺得自己老是量不準. 每次的長度總和都兜不起來.
無意中比對才發現自己用的尺, 3者刻度間有誤差.
15cm(Raymay)/30cm塑膠尺(pass)/100cm 紙尺(ikea),
(誤差值:Raymay的15cm=pass的15.1cm=ikea的15.1cm)
不能確定何者為準.
想請版友推薦比較"精準"的直尺.
希望有15-30cm, 塑膠或金屬材質皆可,
刻度不易磨損, 刻度下面有畫方格子為佳.
謝謝
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※ 編輯: ppetter (27.105.230.171), 08/24/2016 01:06:33
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