| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible tube construction method enabling visual examination of appearance and solvent-removing dye penetrant test to be conducted after installation of a flexible tube in a nuclear power plant. SOLUTION: The method for constructing the flexible tube in the nuclear power plant enables removal of a metallic mesh blade, even after installation, which is mounted in place by welding for the purpose of protecting an outer surface. Visual examination of appearance and solvent-removing dye penetrant test can be conducted after installation.
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