問題詳情
40. 某公制測微計的精密度標示為 0.01 mm，測量範圍標示為 0 ～ 25 mm，直刻度盤分為50等分，測量某導線線徑時所顯示之測量值如圖( 十四) 所示，則此導線線徑之測量值為何？
(A) 5.69mm
(B) 7.56mm
(C) 11.19mm
(D) 19.11mm 
參考答案
無參考答案
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