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Sewer investigation vehicle has marker frame in camera field of view with marker heads creating laser light markings on wall for video imaging of deformations
Sewer investigation vehicle has marker frame in camera field of view with marker heads creating laser light markings on wall for video imaging of deformations
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机译:下水道勘测车在摄像机视场中具有标记框,带有标记头,可在墙上创建激光标记以对变形进行视频成像
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摘要
A sewer (1) investigation vehicle (2) has a marker frame (19) in the camera (6) view (7) with two marker heads (12, 13) in a plane perpendicular to the sewer with marking laser creating point or strip markings on the wall for video investigation of the wall by imaging the projected markings (14-16).
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