The article describes the basic principle, control hardware configuration, technical parameter and function of flux leakage test.
简要叙述漏磁探伤的基本原理，介绍它的控制系统硬件结构，技术参数和具体功能。
This paper introduces the basic theory, configuration and the technical characteristics of the parameter simulation device for trunk circuit.
介绍了轨道电路参数模拟装置的理论依据、方案和技术特征。
This paper introduces the electric principle, technical parameter, performance characteristic and configuration form of auxiliary electrical system for HXD2 type AC driven freight electric locomotive.
在指出火电厂辅机系统现有流量调节方式缺点的基础上，将高压变频调速控制相对传统调速方式的节能原理进行详细的比较分析。
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