介绍水下目视检测的方法、内容、工艺及程序；
The methods, contents, technologies and procedures of Underwater Visual testing are described.
对钢结构和混凝土结构水下目视检测的技术要点进行了探讨。
The technical key points of underwater visual testing of steel and concrete structures are discussed.
对钢结构和混凝土结构水下目视检测的技术要点进行了探讨。
The technical key points of underwater visual testing of steel and concrete structures are discussed.
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