問題詳情
5. 離心式泵的葉輪進口處若發生不嚴重之偏磨或劃傷，可以下列何者進行修復？
(A) 金鋼砂噴磨
(B) 水洗式研磨
(C) 砂布打磨
(D) 黃銅補焊
(A) 金鋼砂噴磨
(B) 水洗式研磨
(C) 砂布打磨
(D) 黃銅補焊
參考答案
答案：C
難度：簡單0.705882
統計：A(1),B(0),C(12),D(4),E(0)
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