电动阀的驱动一般是用电机，比较耐电压冲击。
Electric valve drive motor is generally used to compare the impact resistance to voltage.
依据阀的大小和提供的电压，一个传统的开关电磁 阀对于一个得电动作的反应时间是15毫秒。
Depending upon its size and voltage supply, a conventional switching solenoid valve will have an energisation response time of approximately 15 milli-seconds.
定义了阀片电压偏差率并以此为目标函数，建立该目标函数与各均压环环直径和悬挂高度的拟合多项式关系。
The ratio of voltage warp(RVW) for the varistor is defined to simulate a polynomial of every diameter and suspended heights of the grading ring.
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