tapered connection meaning in English

带锥度的连接

Drill bits with tapered connection for percussive wet rock drilling
凿岩.冲击湿式凿岩用的锥体钻头
Hollow hexagonal drill rods with tapered connection for rock drilling
凿岩用锥形连接中空六角形钎杆
Drilling hammers ; taper gauges for tapered connections of drill rods and bits
打眼锤.钻杆和钻头圆锥连接用锥度量规
Standard test method for determining the axial disassembly force of taper connections of modular prostheses
测定模块化假体锥形连接的轴向拆解力的标准试验方法