试题与答案

探测器宜水平安装,当倾斜安装时,倾斜角应不大于( )。 A.15° B.30°

题型:单项选择题

题目:

探测器宜水平安装,当倾斜安装时,倾斜角应不大于( )。

A.15°
B.30°
C.45°
D.60°

答案:

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