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单词 bottom plate
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bottom plate
bottom plate n. Mechanics a flat piece forming the base of a mechanism or structure, as: (a) a metal plate that supports and shapes the base of an object made by moulding (as a piece of cast type, a glass bottle, etc.); (b) a set of blades forming the bed of a pulping machine in papermaking; the metal plate bearing these (obsolete); (c) the base plate of a stud wall.
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society > occupation and work > equipment > paper-making equipment > [noun] > for pulping > parts of pulping machine
bottom plate1664
roll1838
society > communication > printing > printing machine or press > parts of printers or presses > [noun] > carriage > bottom-plate
bottom plate1664
1664 P. D. C. tr. N. Le Fèvre Compend. Body Chymistry II. ii. x. 205 Put the mixture in a Cucurbite or Matrass,..and place either of these which you will use in sand near the bottom plate.
1683 J. Moxon Mech. Exercises II. 132 Of making the mold... The Bottom Plate is made of Iron, about two Inches and three quarters long, and about the same breadth.
1820 J. Perkins Patent in London Jrnl. Arts & Sci. (1821) 2 14 The working barrel and external cylinder are..connected..to a bottom plate.
a1884 E. H. Knight Pract. Dict. Mech. Suppl. 124/2 Bottom-plate (paper-making), the gang of knives forming the concave or bed beneath the cylinder of a rag-grinding machine or pulping engine.
1914 Cent. Dict. IV. (rev. ed.) 4939/2 Rag-knife... In a rag-engine, one of the knives in the cylindrical cutter, working against those in the bed or bottom-plate.
1967 Appraisal Terminol. & Handbk. (Amer. Inst. Real Estate Appraisers) (ed. 5) 178 Shoe, the bottom plate of a stud wall.
1970 J. J. Chapell in K. Strauss Appl. Sci. in Casting of Metals ii. 110 The improvement of ingot yields by the correct preparation of the mould and bottom plate.
2001 This Old House Apr. 107/2 ‘Part of the problem,’ says Edgell, ‘is that the bottom plate of the garage has completely rotted away.’
extracted from bottomn.adj.
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