問題詳情
72. 下列哪些是往復式冰水主機系統運轉必要保護元件？
(A)油壓差開關
(B)逆相保護電驛
(C)防凍開關
(D)低壓開關。
(A)油壓差開關
(B)逆相保護電驛
(C)防凍開關
(D)低壓開關。
參考答案
無參考答案
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