ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
(english) A pen or ink line drawing reproduced (printed) on sensitized paper by direct exposure.
(english) Smoothing machined holes or outside surfaces of castings by drawing pushing on or more broaches (special cutting tools) through the roughed out hole.
(english) The cold working of dead soft annealed strip metal immediately prior to a forming, bending, or drawing operation. A process designed to prevent the formulation of Luder's lines. Caution-Bridled metal should be used promptly and not permitted to (of itself) return to its pre-bridled condition.