| 单词 | perforated-plate extractor | 
| 释义 | perforated-plate extractor [`pǝr·fǝ´rād·ǝd ¦plāt ik`strak·tǝr]  CHEMICAL ENGINEERING A liquid-liquid extraction vessel in which perforated plates are used to bring about contact between the two or more liquid phases.  | 
	
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