taper gib锥形镶条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taper-shank drillholden锥柄钻托taperstraight shank drill锥直柄麻花钻tapered transmission line锥形波导taper revetment of bridge桥梁锥形护坡tapered sinusoidal ripples坡度正弦波纹壁tapered steel storage tank变壁厚钢储罐tapered bore of inner ring内环锥孔taper-turning attachment车圆锥体装置,车圆锥附件tapered graded index fiber递变型渐变折射率光纤tapered coplanar waveguide渐变共面波导