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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.
youdao
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机械工程，材料科学与工程。
Mechanical engineering, material science and engineering.
youdao
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机械工程，材料科学与工程。
Mechanical engineering, material science and engineering.
youdao