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 roller thrust bearing锥形滚轴止推轴承,锥形滚柱止推轴承tapered-groove valve stem锥槽阀杆taper-shank bridge reamer锥柄桥工铰刀taper sleeve of ball bearing锥形滚珠轴承座套taperstraight shank end mill锥直柄立铣刀taper tension rolling - up锥度收卷Tapered-slot-fed antenna缝隙天线tapering form seamless shell尖形无缝冠taper-in-thickness ratio厚弦比展向变化率taper shank percussion drill锥柄冲击钻