high helix drill高: tall; high螺旋: corkscrewspin; screw; spiral ...钻头: boring crown; bore bit; dril ...螺旋钻头: auger bit; auger-drill head; spiral bit; worm bit活络螺旋钻头: expa ion bit; expansion bit下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:高螺旋钻头,即可在微信中查询翻译