materials for machine building
机械制造材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In this paper the prospects and development process analysis of materials saving for machine building industry were reviewed, with problems put forward, some Suggestions made.
综述了机械工业节材前景预测和途径分析，就节材问题提出了一些建议。
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