| 单词 | valve casing | 
| 释义 | > as lemmasvalve casing   valve casing  n. ΚΠ 1839    R. S. Robinson Naut. Steam Engine Explained 44  				The flange to which is bolted the valve casing. 1887    D. A. Low Introd. Machine Drawing 		(1892)	 74  				An elevation of the valve casing with the cover and the valve removed. < as lemmas | 
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