trepanning /INDUSTRY-METAL/
[DE] hohlbohren
[EN] trepanning
[FR] trépassage
circular grooving,trepanning /INDUSTRY-METAL,ENG-MECHANICAL/
[DE] axiales Einstechdrehen; axiales Einstechen
[EN] circular grooving; trepanning
[FR] trépanage
core drilling,trepanning /INDUSTRY-METAL,ENG-MECHANICAL/
[DE] Kernbohren
[EN] core drilling; trepanning
[FR] trépanage