希望哪位高手帮我弄一下
Abstract: Mechanical Design contains not only designs of parts structure, but also selection of materials and designs of technology. The quality of product (is decided by) that of the original material, which means without excellent materials, even the design and technology are advanced, we could not make excellent product. Therefore, only when a designer is familiar with the nature and usage of every material and the performance of the product the mateial (was formed), he can be better in using and selecting a material. The designer's ability will (be showed) in combining every need of selecting a material and its correctness, and with such an ability, he can design more greater products. A really original product design is hard to be successful when ignoring the materials that (are used). Therefore, the selection of materials is a key factor of ensuring the quality of product. So this thesis aims to attract designers'搭睁盯 attention in selecting materials through specific examples.
括早拦号里的就是被知和动语态，希望对你有帮助。
看到了那儿的人工翻译了吗？我以前用的人工翻译，有道的工作人员比较给力的，用他们的人工绝碰翻译帮你翻灶宏判译吧，很快就会出结果的。
您的这个翻译专业性隐改太强了，我不敢逞能帮你翻译，抱歉。