11.一螺桿之節圓直徑為 D,螺紋之導程為 L,則下列哪一項定義螺旋角(heli..-阿摩線上測驗
5F
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6F 【站僕】摩檸Morning 國三下 (2017/07/10)
原本題目: (A) θ = tan-1
(L / πD) (B) θ = cot-1
(L / πD) (C) θ= tan-1
(D / πL) (D)θ = cot-1
(D / πL)
(A) θ = tan-1
(L / πD) (B) θ = cot-1
(L / πD) (C) θ= tan-1
(D / πL) (D)θ = cot-1
(D / πL)
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11.一螺桿之節圓直徑為 D,螺紋之導程為 L,則下列哪一項定義螺旋角(heli..-阿摩線上測驗
This is a large modal.