問題詳情
11. 下圖之氣壓迴路中,人力式作動閥是
(A)3/2 常閉閥
(B)3/2 常開閥
(C)3/3 中位封閉閥
(D)3/3 中位常閉閥。
(A)3/2 常閉閥
(B)3/2 常開閥
(C)3/3 中位封閉閥
(D)3/3 中位常閉閥。

參考答案
答案:A
難度:非常簡單1
統計:A(4),B(0),C(0),D(0),E(0)
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