【判断题】【消耗次数：1】
X射线或γ射线检查是目前检查焊缝最可靠的方法。
①
对
②
错
参考答案：
复制
纠错
相关题目
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A.体外X射线穿透病人机体
②
B.引入被检者体内放射性核素发出
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C.频率为2.5MHz~7.5MHz超声
④
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