| 单词 | tension spring | 
| 释义 | > as lemmastension spring   tension spring  n. 		 (a) a spring for carriages, etc. composed of inner and outer leaves, connected at the ends, but free in the middle, so as to elongate independently under strain;		 (b) a spring used to maintain a required degree of tautness. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > cart, carriage, or wagon > parts of cart or carriage > 			[noun]		 > type of spring cee spring1794 bow-spring1840 tension spring1877 dumb-iron1907 society > occupation and work > equipment > machine > parts of machines > mechanism > 			[noun]		 > part of > spring spring1428 sprent1511 gin1591 resort1598 worm1724 worm-spring1730 scape-spring1825 leaf spring1855 blade-spring1863 nest spring1866 tension spring1877 coil spring1890 1877    E. H. Knight Pract. Dict. Mech.  				Tension-spring, a spring for wagons, railway-carriages, etc... The outer leaves..impart a tensile strain to the inner ones. 1966    J. Stevens Cox Illustr. Dict. Hairdressing & Wigmaking 148/1  				Tension spring, a spirally wound and flattened wire spring which, when stretched returns to its original length... The tension spring is sometimes replaced by elastic. 1970    Which? Aug. 238/2  				A faulty tension spring on the bobbin case stopped the tensioning adjustment from working properly. < as lemmas | 
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