The Primary causes inducing the hot and cold cracks of electric power fitting products of malleable cast iron in casting process are analyzed and discussed.

分析和探讨可铸铁电力金具在铸造生产中，产生热裂和冷裂的原因；

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The steady state power-electric current equation by test data fitting provides the basis to design controlling project of infrared simulator.

通过测试数据拟合的稳态功率-电流方程，为设计红外模拟系统控制方案提供依据。

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With engineering design and deal with myself advice about electric power supply, line construction, lamp fitting.

结合工程设计，对应急照明的供电、线路敷设、灯具控制等提出了一些看法。

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