题目内容

办公建筑集中空调系统的风机水泵往往具有较大的节能潜力。

A. 正确
B. 错误

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使用砂轮机研磨工件时,可以用砂轮机侧面进行研磨。

A. 正确
B. 错误

What can you determine about the following linguistic sorts based only on their names?() 1. GERMAN 2. FRENCH_M multilingual

A. 1 is a monolingual sort.
B. 2 is a monolingual sort.
C. 1 is case insensitive.
D. Both 1 and 2 are case insensitive.
E. Case sensitivity is unknown.

Which nautical charts are intended for coastwise navigation outside of outlying reefs and shoals().

Approach charts
B. General charts
C. Sailing charts
D. Coast chart

根据缺陷在螺旋桨桨叶上的部位不同和所造成的危害程度不同,将桨叶表面缺陷分为()个区域。

A. 2
B. 3
C. 4
D. 5

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