A unit signifying the capacity of a refrigeration plant or air-conditioning system using the Imperial system of measurement in which 1 ton of refrigerant will freeze 1 ton of water at 32ºF (0ºC) in 24 hours. A one-ton unit is equivalent to 3.52 kW.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。