The application of copper water seal of CFRD and present status of research were reviewed, and the essentiality of analyzing copperseal by building corner model was proposed.
本文回顾了面板坝铜止水的应用及研究现状，提出了对“F”型止水铜片拐角模型进行数值分析的必要性；
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The first paint is butyraldehyde resinetch primer which main function is to seal the surface of copper and increasethe adhesion with the next.
第一道漆为丁醛树脂基蚀刻底漆。 主要功能就是封闭铜表面，增加与下道涂料的附着力。
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Copper cushion performance characteristics: metal flat mat by the overall metal machining, the made for pressure vessels, tower, trough, the cover of the place such as the seal.