According to the functional requirements, their technical characteristics consist of two ways on seal, ceramic package seal weld and tube polysulfone whirl forge seal, and the compact structure.

根据功能要求，本电气贯穿件的技术特点是采取了陶瓷组件封焊和钢管聚砜旋锻密封两种密封方法，以及紧凑的结构方式。

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Application of seal airtight spot welding in bus industiy is introduced in this paper. This welding technology can get good weld formation better seal airtight weld and high production.

介绍了密封胶点焊新工艺在客车制造中的应用，分析了应用该新工艺具有焊接变形少、焊缝密封性好、生产效率高等特点。

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Seal welds shall be welded with half the thickness of the carrying fillet weld.

密封焊道应焊成现填角焊缝厚度的一半。

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