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该文详细地论述了焊接密封的机理、结构及使用范围,对材料的选用及组焊方法作了具体介绍、还就焊接密封使用中出现的问题及消除方法作了阐述.“,”The structure, mechanism and application of close welding were detailly discussed in this paper. Its material and installation were also described. Furthermore, the problems and its resolve measures in the application were given too.