求冲压方面的英语达人帮忙翻译一下，急！谢谢了！

The main positioning reference design of the stamping and welding parts of BIW (body in white)

Abstract
This paper describes the design of the main positioning reference of the BIW stamping and welding parts, which must follow the positioning guidelines and some other requirements relevant to positioning reference. This paper also explains how to use GD&T information in engineering drawings to accurately reflect the corresponding positioning reference information.
Keywords: The BIW stamping and welding parts, the main positioning reference, GD&T information

BIW welding parts main positioning reference design
Abstract This article describes the BIW welding parts main positioning reference design must follow the positioning guidelines and positioning reference when selected some of the relevant requirements, and explains how to use GD & T information in engineering drawings correctly reflect the appropriate positioning reference information.
Key words BIW welding parts, the main positioning reference, GD & T information
（其实我英语也不好，也不懂冲压。。。。。。。。。）

White body chong welding pieces of the main positioning reference design
【 abstract 】 this paper introduces the white body chong welding pieces of the locating datum positioning principle and positioning datum to be followed in the design of selection of some relevant requirements, and explains how to use GD&T information in engineering drawings correctly reflect the corresponding positioning base information.
【 key words 】 white body welding parts, the main positioning base, GD&T