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单选题
为了避免振动路径上的边缘效应，使测试读数可能被误判，应移动测试探头，使检测路径沿表面边缘移动，为测试探头检测提供恒定的边缘。
A
In order to avoid edge effects on vibration routes that may misinterpret test readings, the test pitot should be moved so that the detection route moves along the surface edge to provide a constant edge for the test pitot detection.
B
To avoid edge effects on vibration paths which give a test reading that may be misinterpreted, the test probe should be moved so that the inspection path follows the surface edge, giving a constant edge for the test probe to inspect.
C
The detector should be removed along the inspection route which follows the surface edge to provide an immobile edge to detect, so as to avoid the effects on vibration route edge which may lead to the misunderstanding of the test reading.
答案解析
正确答案：B
相关知识点：
移动探头避边缘误判
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