poleless 中文意思是什麼
poleless
解釋
無極的-
Application of pic16f874 microcontroller in poleless speed - adjusting of dc motor
874單片機在直流電機無級調速系統中的應用 -
Electronic units are applied to this device and poleless power regulating method is employed to control heating units, therefore the water temperature near the gate is prevented from being affected by the temperature change of surroundings and ice - free temperature is maintained all the time
該裝置利用電力電子元件，採用無極調功的形式控制加熱元件，使閘門附近的水溫不受環境溫度變化的影響，始終保持在不凍的溫度。
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