This method USES laser beam oblique incidence to the test side of plate, and the laser spot of tested plate will be imaged to CCD target surface by industrial video camera.
该方法采用激光斜射到待测钢板侧面上，用工业摄像机将被测板上的激光光斑成像于CCD靶面。
This method USES laser beam oblique incidence to the test side of plate, and the laser spot of tested plate will be imaged to CCD target surface by industrial video camera.
该方法采用激光斜射到待测钢板侧面上，用工业摄像机将被测板上的激光光斑成像于CCD靶面。
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