تماشای ویدئو How To Make A Drill Drawing A Drill از آی-ویدئو

How To Make A Drill : Drawing A Drill Catia tutorial,... A drill is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for boring holes in various materials or fastening various materials together with the use of fasteners. The attachment is gripped by a chuck at one end of the drill and rotated while pressed against the target material. The tip, and sometimes edges, of the cutting tool does the work of cutting into the target material. This may
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