問題詳情
9.下列有關V型皮帶的敘述，何者錯誤？
(A)其斷面呈梯形
(B)具有A、B、C、D、E等五種型別
(C)其兩摩擦面間所夾之角度為40°
(D)E級V型皮帶之斷面積最大。
(A)其斷面呈梯形
(B)具有A、B、C、D、E等五種型別
(C)其兩摩擦面間所夾之角度為40°
(D)E級V型皮帶之斷面積最大。
參考答案
答案：B
難度：簡單0.894737
統計：A(1),B(34),C(1),D(2),E(0)
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