The question about heat-pipe exchanger′s resistance is an important aspect of heat-pipe exchanger′s research and is related to its development, design, application and anti-corrosion measure etc.

热管换热器的阻力降问题涉及到其研发、设计、应用以及防腐措施等方面，是热管式换热器研究的一个重要方面。

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This paper analyzes corrosion actuality and its harm in heating pipe, and brings forward anti - corrosion measure in maintenance work.

本文针对目前水暖系统中管道腐蚀现状及其危害进行了分析，并对工程的防腐及具体维护管理工作提出了具体措施。

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Internal corrosion control technology in pipeline includes gravity drop method to measure corrosion speed and pour into anti-corrosion doze.

输气管道内腐蚀控制技术包括采用失重挂片法测量管道内腐蚀速度和加注缓蚀剂等。

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