Correction coefficient is important to electric charge refund, but its power factor Angle is unknown.
更正系数是补退电费的重要依据，但更正系数中的功率因数角也是未知数。
The responses of raindrop on the absolute change of electric field angle are week.
雨滴对电场角度绝对值变化的反应较为缓慢。
Production of electrical tools, such as electric drills impact, Angle Angle grinder...
曲线锯例句生产各类电动工具，如冲击电钻，角向磨光机、电钻和曲线锯等。
Production of electrical tools, such as electric drills impact, Angle Angle grinder...
曲线锯例句生产各类电动工具，如冲击电钻，角向磨光机、电钻和曲线锯等。
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