| 单词 | working face |
| 释义 | > as lemmasworking face working face n. (a) a surface that constitutes a principal working part of a device or object; (b) a surface at which work, esp. mining, excavation, or quarrying, is carried out. Π 1789 Philos. Trans. (Royal Soc.) 79 4 By this means the altitude of the object is shewn upon the working face of the quadrant. 1823 Ann. Philos. New Ser. 5 465 The Plymouth caves..were first opened at their lower extremity,..but at a distance from the working face of the quarry. 1881 Proc. Amer. Acad. Arts & Sci. 1880–1 16 346 Large thermopile... Face blackened. Area of working face = 15 mm. by 16 mm. 1915 Motor Boating Oct. 35/1 The magnetizer is stated to have several distinct features, the magnetic circuit from working face to working face being unbroken and extremely short. 1957 Brit. Jrnl. Industr. Med. 14 11/2 The temperature at the working face of a caisson reaches such high levels. 1988 Pop. Mech. June 102/1 (caption) Keep the same side of doweling jig on working face of each board to ensure good alignment. 2005 Chicago Tribune (Midwest ed.) 13 Feb. viii. 7/2 The cabans,..in a sheltered area away from the working face of a mine, were the cornerstone of slate-worker culture. < as lemmas |
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