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通常水电厂大坝观测廊道长期处于潮湿状态，每到夏季结露尤为严重。观测仪器设备几乎处在水汽饱和的潮湿状况中运行，其使用寿命大为缩短，很难保证电子元器件稳定可靠运行。同时，潮湿的环境对观测人员工作和身体带来诸多不便和影响。通过东江大坝廊道环境影响状况的调查和机理分析，提出改进观测廊道潮湿结露环境的综合处理措施和实施方案。
Hydropower station dam observation corridor is usually long-term wet conditions, each summer is particularly serious condensation. Observing instruments and equipment are almost operating in wet conditions saturated with water vapor, their service life is greatly shortened, and it is difficult to ensure the stable and reliable operation of electronic components. At the same time, humid environments create many inconveniences and impacts on the observers’ work and body. Through the investigation and mechanism analysis of the environmental impact of the corridor of the Dongjiang Dam, the comprehensive treatment measures and implementation plan for improving the humid dew condensation environment in the observation corridor are proposed.