Using a electric mixer, beat eggs, oil, white sugar and vanilla extract at high speed. Add in flour, baking soda, baking powder, cinnamon and salt, and continue to beat at high speed. Using a spatula, fold in carrots and walnuts. (用电动搅拌器,高速打蛋,油,白糖和香草精。加入面粉,苏打粉,烘焙粉,肉桂和盐,并继续高速打拌。使用铲子,将萝卜丝,核桃碎和蛋糕糊混合在一起。)