問題詳情
50. 調節器第一級的過濾器上呈黑色，表示可能從壓縮機的過濾器有：
(A)氣瓶內有油氣
(B)氣瓶內部有水汽或腐蝕
(C)碳塵跑進氣瓶內
(D)氧化腐蝕。
(A)氣瓶內有油氣
(B)氣瓶內部有水汽或腐蝕
(C)碳塵跑進氣瓶內
(D)氧化腐蝕。
參考答案
答案：B
難度：適中0.5
統計：A(0),B(1),C(1),D(0),E(0)
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