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Radiation Angle and central deviation is important parameters of an X-ray directional flaw detector.
辐射角及中心偏移,是定向X射线探伤仪的重要技术指标。
youdao
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Radiation Angle and central deviation is important parameters of an X-ray directional flaw detector.
辐射角及中心偏移,是定向X射线探伤仪的重要技术指标。
youdao