ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
เกณฑ์, ระดับ, เดิม
(english) Developing a smooth finish on a metal by tumbling or rubbing with a polished hand tool.
(english) A small lathe mounted on a bench or table.
(english) Raising a ridge on sheet metal
(english) Resting an irregularly shaped core on a bed of sand for drying.
(english) Molten metal on the hearth of a furnace, in a crucible, or in a ladle
(english) A method of obtaining a high luster on small parts by rotating them in a wooden-lined barrel with water, burnishing soap, and stainless steel shot.
(Environmental Engineering) An organic compound with a carbonyl at one end of a hydrocarbon group.
(Environmental Engineering) A functional group with an oxygen atom double bonded to a carbon atom.
(English) Coatings on hot-dipped galvanized steels processed to convert the coating completely to zinc-iron alloys; dull gray in appearance, have no spangle, and after proper preparation, are well suited for painting.
(English) The top level of the boiler firebox where four oil guns are located. The oil guns are used to produce steam and maintain pressure while the boiler is on oil fire.
(english) A compressive load supported by a member, usually a tube or collar, along a line where contact is made with a pin, rivet, axle, or shaft.