短語詞組短語current cross ripple mark 交錯流痕rhomboid current ripple 菱形流痕Low current ripple 低電流紋波torque and current ripple 轉矩和電流脈動air r current ripple 風成波浪current ripple cancellation 電流紋波濾除input current ripple 輸入電流紋波air current ripple 風成波浪;風成波痕;風成波紋current ripple mark 波痕;流痕 返回 current ripple