問題詳情
14. 當使用雷射切割機時，發現有工件上有火焰產生時，最有可能產生這個問題的原因是下列哪一點？
(A)雷射功率太大
(B)進氣輔助系統沒有正常工作
(C)水冷機沒有正常工作
(D)抽風系統沒有正常工作。
(A)雷射功率太大
(B)進氣輔助系統沒有正常工作
(C)水冷機沒有正常工作
(D)抽風系統沒有正常工作。
參考答案
答案：B
難度：困難0.263158
統計：A(13),B(5),C(1),D(0),E(0)
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