论文部分内容阅读
有些企业通常认为“对焊件”就是通过对焊焊接方法将两部分钢铁件连接而组成的管件,其本身就是一个焊接件。而在进出口税则中对“对焊件”的解释却是另一种概念。
Some enterprises usually think that “butt weldment” is a pipe made by connecting two steel pieces by butt welding, which itself is a welded piece. In the import and export tax on the “butt weldment,” the explanation is another concept.