50550551051050651212506原油期货价格 0.00.51.01.52.02.53.03.512/241/81/232/72/223/93/24美元/桶 WTI 1-3WTI 3-60.00.51.01.52.02.53.012/241/81/232/72/223/93/24美元/桶 Brent 1-3Brent 3-6