| 单词 | test specimen | 
| 释义 | > as lemmastest specimen   test specimen  n. a piece of metal, etc. prepared for a mechanical test. ΘΚΠ the world > action or operation > endeavour > trial or experiment > trial, test, or testing > 			[noun]		 > specific tests or testing > test of materials or equipment > piece prepared for test-piece1876 test specimen1894 1894    W. J. Lineham Text-bk. Mech. Engin. 378  				Shackles for Test Specimens should be carefully designed. < as lemmas | 
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