超探中的transducer element backing? E---C一道UT试题,专业人员看不懂,请大家帮忙看看问题出在哪里: 1. The amount of beam divergence from a transducer element is primarily dependent on the: 来自晶片的 波束扩散量 主要取决于: a. type of test 检测类型 b. tightness of the transducer element backing in the search unit 探头晶片背面的密封性 c. frequency and transducer element size 频率及晶片尺寸 d. refraction 折射 查看更多2个回答 . 2人已关注