問題詳情
73. The elements of sensors and controllers in electromechanics are important elements andapplied to human daily life to prompt the quality of living. Which of the followingapplication does not use both of the elements？
(A) automatic door in the convenient store
(B) vending machine
(C) elevator with safety control
(D) fire alarm in a household
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增