... ultrasonic crack detection 超声波裂缝检测 ; 超声波探伤 ultrasonic leak detection 超声检漏 ultrasonic fault detection 超声波探测 ...
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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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