問題詳情
78. 依據公共工程製圖標準圖例，請選出下列正確的敘述？
(A)「 
」符號表示自動流量平衡閥
(B)「 
」符號表示膨脹閥
(C)「 
」符號表示手動釋氣閥
(D)「 
」符號表示自動釋氣閥。
參考答案
無參考答案
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