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【判断题】
当冷热两种流体的给热系数α相差较大时,与提高换热器的K值关键是采取提高较小的α措施。A.
正确
B.
错误
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举一反三
【简答题】完形填空。 Jack buys 1 beef. The butcher () tells him the recipe and gives him some relish. 'But I can't remember your words.' Jack says. 'Will you write them 2 for me?' The butcher does 3 . 4 the meat i...
【简答题】热变性的DNA有以下哪些特征（ ）
【简答题】99m Tc-热变性红细胞
【单选题】What the author is trying to suggest may be best interpreted as
A.
Where there is a will, there is a way.
B.
He who laughs last laughs best.
C.
Successful failures is the best medicine.
D.
More haste, less speed.
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