elektronkiirkeevituse alaliik – keevitus eraldi kambris kus vaid osaline vaakum on saavutatav (vrd kõrgvaakumkeevitus, mittevaakumkeevitus)
an electron-beam welding in which welding is performed in the separate chamber where only a partial vacuum is achieved (compare: high-vacuum welding, nonvacuum welding)
