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1. 下列何種原因不會造成離心泵流量降低?(A) 濾器髒堵(B) 電流頻率過高(C) 軸密封環間隙過大(D) 吸入管漏氣
問題詳情
1. 下列何種原因不會造成離心泵流量降低?
(A) 濾器髒堵
(B) 電流頻率過高
(C) 軸密封環間隙過大
(D) 吸入管漏氣
參考答案
答案:B
難度:非常簡單0.903704
統計:A(4),B(122),C(8),D(1),E(0)
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