Based on optoelectronic measuring system, arc voltage drops are observed in arc running process of current limiting circuit breaker.
本文采用光电测试系统，观察到在低压限流断路器开断过程中的电弧电压跌落现象。
It introduced an automatic measuring system of comprehensive parameters of wheel set based on optoelectronic detecting technique.
介绍了一种基于光电检测技术的轮对综合参数自动检测系统。
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