- expa ion bit drill
- expansion bit drill
- 活络: loose
- 螺旋: corkscrewspin; screw; spiral ...
- 钻: drill; auger
- 活络螺旋钻头: expa ion bit; expansion bit
- 螺旋钻: anger twist bit; archimedean drill; auger drill; auger worm; clay auger; gimlet bit; helical drill; screw auger; ship auger; spiral auger; spiral bit; spiral borer; spiral drill; twist drill; twist eye bit; twisted auger; wimble; worm auger
关注微信公众号：chachacidian，回复:活络螺旋钻，即可在微信中查询翻译
