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单词 precut
释义 I. precut, n.|ˈpriːkʌt|
[f. the vb.]
a. A cut made in something prior to some other operation on it.
b. Something that has been precut.
1948Trans. Inst. Mining Engin. CVII. 242 A long bottom jib was provided to give a pre-cut and so assist in the fracturing of the coal which is rather strong.1960J. Sinclair Winning Coal vii. 204 A middle pre-cut has been usefully employed where a floor tends to lift and break at the bottom of the coal.1971Real Estate Rev. Fall 49/1 They are to be distinguished from pre-cuts, which involve materials cut to proper size off-site and then conventionally constructed on site.
II. preˈcut, v.
[pre- A. 1.]
trans. To cut prior to some other operation. Also absol. So preˈcutting vbl. n.
1945Trans. Inst. Mining Engin. CIV. 192 As with other types of loader which rely upon pre-cutting and blasting for the satisfactory preparation of the coal for loading, much difficulty was experienced.Ibid. 701 This roof can be a bad one if not properly controlled, and we felt we would not like to take the risk of pre-cutting and blowing coal, and thus removing all support.1951B. Kelly Prefabrication of Houses i. 4 There may be said to be various degrees of prefabrication, of which precutting might be one, the fabrication of panels another, [etc.].1960J. Sinclair Winning Coal vii. 191 Two men pre-cut the face with an A.B. Fifteen Cutter.Ibid. 206 It may be preferable sometimes to pre-cut and load on the same shift with the separate cutter working about 40 yd ahead of the cutter-loader.1961M. Beadle These Ruins are Inhabited (1963) xi. 160 The Co-ops are pre-cutting their meat and putting it in plastic film.1964A. Nelson Dict. Mining 343 Pre-cutting, a term used in machine mining where a coal-cutter makes a cut along the face in front of a cutter-loader.
Hence preˈcut ppl. a.
1946Fortune Apr. 244/2 Pease makes only wall, ceiling, and floor panels in the factory; roofs are built on the site from factory precut lumber by traditional methods.1960Farmer & Stockbreeder 29 Mar. 74/3 As the mower makes a new cut, the scatterer shakes up the pre-cut swath, thereby reducing the time necessary to make the hay.1960Times 29 Aug. 15/3 The Birmingham Co-operative Society has, for some time now, been selling pre-cut and prepacked meat.1967Karch & Buber Offset Processes iv. 112 (caption) Redi-Kut display letters are pre-cut and have a pressure-sensitive backing.1974Encycl. Brit. Macropædia XIV. 966/1 One of the earliest excursions into prefabrication was the adoption of precut framing lumber pieces for walls and partitions.1976Sci. Amer. Nov. 100/2 In the commonest form of stamping, a precut metal blank is formed in a mechanical press between a set of dies that have been carefully shaped to yield the desired part.
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