Tell readers why they need to read this report, and give a very brief overview of what you're going to cover in the main body of the report.
告诉读者为什么他们需要阅读这份报告，并给予一份简介说明您将会在报告中写一些什么内容。
The main parts include pump body, pump cover, impeller, axis, sealing rings, intermediate support, sealing and suspension parts and other components.
泵主要由泵体、泵盖、叶轮、轴、密封环、中间支架、密封和悬架部件等组成。
The legal responsibilities of tax cover the legal responsibility of tax authority as the main administrative body, the legal responsibility of tax staff and the legal responsibility of comparative.
税收法律责任包括税务机关作为行政主体的法律责任、税务人员的法律责任以及税务相对方的法律责任。
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