- spiral cutting
- 螺旋切削
English-Chinese electricity dictionary (电气专业词典). 2013.
English-Chinese electricity dictionary (电气专业词典). 2013.
Spiral of silence — The spiral of silence is a political science and mass communication theory propounded by the German political scientist Elisabeth Noelle Neumann. The theory asserts that a person is less likely to voice an opinion on a topic if one feels that one … Wikipedia
Spiral axis — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… … The Collaborative International Dictionary of English
spiral head — noun : an index head whose spindle may be connected by gearing to the feed screw of a milling machine table for the purpose of cutting spirals … Useful english dictionary
Ham — This article is about the cut of meat. For other uses, see Ham (disambiguation). Ham with cloves. Ham is a cut of mea … Wikipedia
Manatee — For other uses, see Manatee (disambiguation). Manatees Antillean manatee Scientific classification Kingdom … Wikipedia
twist drill — A drill with a straight shaft incised with spiral cutting edges for boring a hole. Also see wood … Glossary of Art Terms
Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… … Wikipedia
Reamer — otheruses4|the metalworking tool|the kitchen utensil|Lemon reamerA reamer or ream is a tool used in machining to make existing holes dimensionally more accurate and to improve surface finish. Reamers are used mostly in the metalworking areas of… … Wikipedia
Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after … Wikipedia