taper bit [机] 锥形钻头 ; 锥形铰刀 ; 锥形绞刀
double taper bit 两层镶嵌刃取心钻头
taper wall bit 带内锥面的金刚石钻头
taper fitting bit 锥形联接钻头
Taper the plug off a bit with the chisel so that it will fit into the hole.
用凿子把塞子的一头削掉一点，使它能塞进洞里。
Taper the plug off a bit with a chisel so that it will sit into the hole.
用凿子把这塞子一头削尖点，使它能塞进孔里。
Simultaneously, bit stability is enhanced using multiple bit stable structure design techniques such as deep inner taper, force balance and hybrid cutter arrangement etc.
同时，结合深内锥、力平衡、混合布齿等多种钻头稳定性结构设计技术，以增加钻头稳定性。
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