taperedadj.尖削的；渐缩的；斜的动词taper的过去式和过去分词.tapern.小蜡烛；蜡芯；尖锥形；渐弱v.逐渐变小；逐渐消失adj.尖细的；划分等级的tapered fiber锥形光纤taper spindle锥形主轴tapered shaft锥形轴tapered blade变截面叶片,锥形叶片tapered drill锥柄麻花钻taper rolling斜坡轧制Taper pinhole锥形销孔taper dynamic圆锥动力tapered tanks变壁厚储罐tapering rate递减运价