The key points of condition-based maintenance of relay protection are state diagnosis, state assessment and maintenance decision-making method.
继电保护状态维修的关键是状态诊断、状态评估以及维修决策方法。
Describes the application of computer aided techniques to the maintenance of navigational simulators and highlights some key points and precautions.
以我院航海模拟器的维修为例，介绍了计算机辅助维修技术的应用。
Describing the technical key points of imported ET inspection equipment, the component of equipment and its maintenance.
简述进口涡流检测设备的技术要点，设备组成及其维护保养。
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