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 reamer锥形扩孔器Taper modifier锥化编辑修改器taper of ingot钢锭锥度taper grinding锥形磨削tapering grade尖削度tapered jacket滑脱套箱tapered roller锥形辊,锥形滚筒tapering shape锥式tapered string变径管柱taper equation削度方程