This paper describes the quality constitution of mechanical engineering material, require of quality control.
本文阐述了机械工程材料的质量构成、质量控制的要求。
This paper describes the quality constitution of mechanical engineering material, require of quality control. To bring up "ERA" model of main engine factory between suppliers.
本文阐述了机械工程材料的质量构成、质量控制的要求。提出了主机厂与供应商之间的“ERA”模型。
Its mostly content includes the mechanical engineering material and heat treatment, casting, plasticity shaping and welding. Dealing with engineering materials and its processing technical.
主要内容包括：机械工程材料与热处理、铸造、塑性成型和焊接四大部分的基础知识，涉及工程材料及其材料加工工艺的各个方面。
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