| 单词 | prill | 
| 释义 | prill [pril]  CHEMICAL ENGINEERING To form pellet-sized crystals or agglomerates of material by the action of upward-blowing air on falling hot solution; used in the manufacture of ammonium nitrate and urea fertilizers.  MATERIALS Spherical particles about the size of buckshot.  MINING ENGINEERING 1. The best ore after cobbing.  2. A circular particle about the size of buckshot.  3. Compressed and sized explosives such as ammonium nitrate.  | 
	
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