设计、材料和制造工艺的改进，意味着今天的汽车安全行驶寿命比以往任何时期都长——尽管车主必须不断的进行维护和维修。
Improvements in design, materials and manufacturing mean that today's vehicles can be operated safely longer than ever, albeit at the cost of continuous maintenance and repair.
本公司是一家专门从事工业设计，制造，改进工艺，提高工作效率的公司。
The company is a specialized in industrial design and manufacturing, improve processes, improve the efficiency of the company.
本文介绍了如何从制造工艺方面采取有效的改进措施，使SD - 28冷冻箱的性能符合设计要求的方法。
This paper describes technical process improvements in manufacturing of Freezer SD-28. The design performance of SD-28 can be achieved through these effective improvements.
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