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puur pikkade, suure sügavuse ja läbimõõdu suhtega avade puurimiseks (vt sügavpuurimine), a drill, usually with one or more flutes and with coolant passages through the drill body, used for deep hole drilling (see: deep-hole drilling)
ружейное сверло . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/%D1%80%D1%83%D0%B6%D0%B5%D0%B9%D0%BD%D0%BE%D0%B5%20%D1%81%D0%B2%D0%B5%D1%80%D0%BB%D0%BE/1/rus (10.11.2026)