- sleeve for taper shank drill
- 锥孔: make a hole with an awl; bor ...
- 钻: drill; auger
- 锥孔钻机: tapering drill
- 钻套: bit arbor; bit folder; bit holder; drill bushing; drill holder; drill jig bushing; drill sleeve; drill socket; tap holder
- 锥孔: make a hole with an awl; boring; bore-hole◇锥孔镗削 conic boring; 锥孔装药 hollow charge; shaped charge
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