船舶冷藏 meaning in Chinese

marine refrigeration

Since 1970s , the energy problem has become one of the five biggest problems in the world . with the development of food industry and the increase in transported perishable commodity , the marine refrigerated container has been applied extensively , and then refrigeration devices consume too much energy
20世纪70年代以来，能源问题已被列为世界五大问题之一，随着世界食品工业的发展和易腐货物冷藏运输量的日益扩大，船舶冷藏集装箱得到日益广泛的应用。
The main purpose of this thesis is to conduct a research on frequency conversion characteristics in reefer units through analyzing energy - consume , control method , and the technology of frequency conversion in refrigeration & air - conditioning . that is the focus of the research in this text
本论文的主要目的是通过分析船舶冷藏集装箱的能量消耗、控制方式和分析制冷装置变频调速控制技术的基础上，研究冷藏集装箱的制冷系统采用变频控制技术以后的系统变频特性，这也是本文研究的重点。