| 单词 | overall plate efficiency | 
| 释义 | overall plate efficiency [¦ō·vǝr¦ȯl `plāt i´fish·ǝn·sē]  CHEMICAL ENGINEERING For a specified liquid-mixture separation in a fractionation (or distillation) tower, the ratio of actual to theoretical plates (or trays) required.  | 
	
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