| 单词 | centring motion | 
| 释义 | > as lemmascentring motion   General attributive, as  centring cup,  centring motion,  centring punch,  centring stone, etc. ΚΠ 1819    A. Rees Cycl. XXII. at Machinery  				In the rounding and centering machine, the chuck of the trepan saw is screwed to the spindle. 1850    Ann. Rep. Commissioner Patents 1849: Arts & Manuf. 346 in  U.S. Congress. Serial Set (31st Congr., 1st Sess.: House of Representatives Executive Doc. 20, Pt. 1) VI  				We do not claim..a cup to intervene between the bail spindle and fixed centering cup. 1852    I. Taylor Restoration of Belief 		(1855)	  ii. 138  				Here then we find in this Epistle..a centering-stone of that structure which in the age of the Antonines had arched over the Roman world. 1883    Knowledge 27 Apr. p. i  				Secondary stage with centering motion [in a microscope]. 1884    F. J. Britten Watch & Clockmakers' Handbk. 		(new ed.)	 148  				Another spring..carrying a fine centring punch. 1936    R. S. Glasgow Princ. Radio Engin. xiii. 411 		(in figure)	  				Baffle..paper cone..centering spider..voice coil..flexible support... Moving coil or ‘dynamic’ loud-speaker. 2003    T. L. Koglin Movable Bridge Engin. xii. 186  				The centering devices may assist in resisting lateral forces during an earthquake. < as lemmas | 
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