The utility model provides an ultrasonic fault detection comparing test block for a high-voltage pillar porcelain insulator, consisting of a test block body and arc grooves.
本实用新型提供一种高压支柱瓷绝缘子超声波探伤对比试块。
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HighVoltage Electric Co., Ltd. Hunan, the Talent (formerly South porcelain Xiangtan Electric Factory), founded in 1966, 2008, restructured into joint-stock enterprises.