| 单词 | layer pit |
| 释义 | > as lemmaslayer pit layer pit n. (also layer vat) Tanning = lay-away n. 1, 4e. ΘΚΠ society > occupation and work > equipment > equipment for working with skins or leather > [noun] > tan-vat > types of bark-vatc1440 bark-cobillc1550 handler1771 grainer1813 roundabout1842 rocker1876 suspender1882 lay-away1885 layer pit1901 1901 F. T. Addyman tr. A. M. Villon Pract. Treat. Leather Industry 137 The object of handling is to give body to the plumped skin, so that it may be able to support the weight which will press upon it in the layer-pit. 1949 D. Woodroffe Stand. Handbk. Industr. Leathers iii. 47 The butts or other leather, already completely penetrated in the previous stages of the tanning process, are placed singly in the layer pits, a layer of ground tanning material..is sprinkled over each butt, and the process continued with more pieces of leather until the pit is full. Finally, a very strong tan liquor..is run into the pit. 1969 T. C. Thorstensen Pract. Leather Technol. v. 70 The bends lie in the layer vats for one or two weeks in a warm vegetable tan liquor, and again the liquor may be strengthened and heated to gain better penetration and fixation of the strong tanning liquors. < as lemmas |
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