《天然制冷剂：应用与实践指南》是一部由专家编写的教科书，现已提供印刷版、数字版和批量副本。
【英文原文】
原标题：Natural Refrigerants Textbook Now Available in English
Natural Refrigerants: Applications and Practical Guidelines, a textbook written by experts is now available in print, digital and bulk copies.
