Video inspection device and method for omega welding seam at lower part of control rod driving mechanism
The invention relates to the technical field of nondestructive testing of nuclear power stations, and particularly discloses a video inspection device and method for an omega welding seam at the lowerpart of a control rod driving mechanism. The device comprises a vehicle body, a multi-degree-of-free...
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Format: | Patent |
Sprache: | chi ; eng |
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