DC spark testing generates practically no corona and no heat, and is therefore a gentler test process, DC can be used on foamed insulation and thin insulation.
直流火花机几乎不能产生电晕和热量﹐因此它是一种轻微的测试方法﹐直流火花机可用于发泡和薄的绝缘。
The heat insulating and reflective film was approved to be a new building material especially suitable for wall and roof insulation by insulation test and actual project application.
本文通过工程实际应用及保温隔热性能测试、比较，证明绝热反射膜是一种特别适于墙体和屋面保温的新型建筑材料。
Application of insulation tech for well bore breaks off the heat exchange which is economic and efficient, and has gained a satisfied effect in test for dense oil well of Bohai oilfield.
井筒保温管技术的应用，阻止式隔绝了热交换的发生，经济、有效，在渤海稠油井测试中取得了满意的作业效果。
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