水下检验包括船舶及海洋工程水下钢结构的目视检测UWVT(含外观检查、摄影、录像、防腐电位测量,表面清理,舵承间隙测量和尾轴下沉量测量)。
Survey in water include Visual Testing UWVT involving in photograph-taking and video recording, measurement of volt of anti-corrosion, surface cleaning, bearing clearance measurements on rudders and propeller shaft.
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