On condition that post porcelain insulators satisfy quality standard, Ultrasonic crack detection can effectively obviate the accident of post porcelain insulators crack.
在产品质量合格的前提下，超声探伤检测的准确率比较高，能够有效地避免断裂事故的发生。
By means of lots of lightning impulse tests, power frequency arc tests as well as bend loading tests, a kind of clamping post composite insulators with matching insulation hoods is developed.
通过大量的雷电冲击放电试验、工频电弧试验和弯曲负荷试验等试验研究，研制出了一种放电箝位柱式复合绝缘子和配套的绝缘罩。
According to the usage, the insulators can generally be divided into three broad categories: line insulator, substation post insulator and bushings.
按用途一般可分为线路绝缘子、变电站支持绝缘子子和套管三大类。
According to the usage, the insulators can generally be divided into three broad categories: line insulator, substation post insulator and bushings.
按用途一般可分为线路绝缘子、变电站支持绝缘子子和套管三大类。
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