The paper analyzes the reason for the vibrating of heavy foundry for aluminum ingot, and puts forward some improving measures.

分析重熔铝锭设备机架整体振动的原因，提出改进措施。

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Connecting with productive practice, this paper makes analysis on the merits and demerits of TG-3MI type gas stove's full material bed, and puts forward some improving measures.

文章结合生产实际，对tg—3 mi型煤气炉料层优缺点进行了分析，提出了改进措施。

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This paper analyzes the affection of the special performances of stepping motor on the processing quality of nc lathe, and puts forward some measures for improving the processing quality.

本文分析了步进电机的一些特殊性能对数控车床加工质量的影响，并提出改善加工质量的措施。

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