| 单词 | Langmuir diffusion pump | 
| 释义 | Langmuir diffusion pump [¦laŋ·myu̇r di`fyü·zhǝn ´pǝmp]  ENGINEERING A type of diffusion pump in which the mercury vapor emerges from a nozzle, giving it motion in a direction away from the high-vacuum side of the pump.  | 
	
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