The magnetic powder clutch, with its good static and dynamic mechanical characteristics, is a new type of automatic control element.
磁粉离合器是一种新型自动控制元件，它具有良好的静态和动态等特性。
The filter integrity testing instrument is adopted with full-automatic programmed control system for inspecting whether the element or filter membrane is complete.
滤芯完整性测试仪是采用自动化程序控制系统，用来检查滤芯或滤膜是否完好的一个装置。
The parametron is a new type element for automatic and remote control.
变参数元件是自动控制和远动控制的一种新型元件。
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