1. The microcosmic structure of metal material directly influence to the capability and useful life of mechanism accessory. Metallography analyzing is the important means of controlling inhesion quality.
金属材料的显微组织直接影响到机械零件的性能和使用寿命，金相分析是控制机械零件内在质量的重要手段。
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2. The microcosmic structure of metal material directly influence to the capability and useful life of mechanism accessory. Metallography analyzing is the important means of controlling inhesion quality.
金属材料的显微组织直接影响到机械零件的性能和使用寿命，金相分析是控制机械零件内在质量的重要手段。
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Inhesion of every kinds of ligneous case, it is the premise that makes sure furniture is successful. 每种木质的内在性格，是保证家具成功的前提。
