氣壓元件符號，係指(A)梭動閥(B)雙壓閥(C)快速排氣閥(D)止回閥。

問題詳情

9. 氣壓元件符號

，係指
(A)梭動閥
(B)雙壓閥
(C)快速排氣閥
(D)止回閥。

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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