Electric vehicle ( EV ) chargers are highly linear power system load.电动汽车 充电机是非线性的设备,工作时产生的谐波电流很高.The systematical design of the test stand for chargers is expounded.阐述了充电机试验台的系统设计,介绍了充电机性能试验的检测项目.All kinds of mobile pho...
Some of the prints were badly discoloured.有些图片褪色严重。Spilt acid discoloured the floor.泼出的酸弄得地板褪色.Sunlight had discoloured the bright red curtain.日照使这朱红(色的)窗帘褪了色....