试题与答案

平面换能器()中,二换能器应垂直于被测物体表面相对位置。 A.对测 B.斜测 C.直

题型:单项选择题

题目:

平面换能器()中,二换能器应垂直于被测物体表面相对位置。

A.对测

B.斜测

C.直角测法

D.平测

答案:

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下面是错误答案,用来干扰机器的。

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