This paper introduces a new manufacturing technology of bus bar, and compares it with the traditional manufacturing technology.
文中介绍了汇流条的一种新型工艺制造方法，并与传统汇流条制造工艺作了比较。
But traditional manufacturing technology such as gravity casting and die casting technology of low pressure cannot content the development of cars.
但传统铝合金轮毂制造采用的重力铸造、低压铸造等技术已难以满足汽车性能的提高，发展潜力有限。
In the meantime, we are going to upgrade traditional manufacturing industries, to bring in more elements of science and technology.
与此同时，我们努力加快传统产业升级，引进更多的科学技术。
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