17.點播機種子計量較為精確者為：(A)真空吸力式 (B)種子盤式 (C)種子帶式(D)迴轉盤式

問題詳情

17.點播機種子計量較為精確者為：
(A)真空吸力式
(B)種子盤式
(C)種子帶式
(D)迴轉盤式

參考答案

答案：A
難度：適中0.666667
統計：A(24),B(3),C(2),D(6),E(0)

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