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30. 有關使用離心機的注意事項,下列敘述何者正確?(A) 欲分離的離心管只有一支時,應於對稱位置放置一支空的離心管(B) 先設定至最大轉速後再啟動電源(C) 關掉電源應等待至離心機自行停止轉動後,再
問題詳情
30. 有關使用離心機的注意事項,下列敘述何者正確?
(A) 欲分離的離心管只有一支時,應於對稱位置放置一支空的離心管
(B) 先設定至最大轉速後再啟動電源
(C) 關掉電源應等待至離心機自行停止轉動後,再進行後續步驟
(D) 離心過程若有雜音時,應立即以手摩擦方式使離心機停止轉動ˉ
參考答案
答案:C
難度:簡單0.818182
統計:A(1),B(2),C(18),D(1),E(0)
上一篇 :
8 adj. typical; distinctive(A) characteristic (B) candid (C) responsible (D) back
下一篇 :
2 n. adaption; settlement of an insurance claim(A) error (B) drill (C) compensation (D) adjustment
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