单词 | levelling-screw |
释义 | > as lemmaslevelling-screw levelling-screw n. a screw used to adjust parts of a contrivance to an exact level. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > adjusting parts pinching screw1818 levelling-screw1849 needlea1884 1849 R. V. Dixon Treat. Heat i. 51 A strong T-shaped bar of iron, furnished with two levels, and placed on a board provided with levelling screws. 1866 R. M. Ferguson Electricity 19 Upon a tripod provided with levelling screws stands the pillar. < as lemmas |
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