They are employed by refrigeration and air conditioning installation contractors, various industrial Settings, food wholesalers, engineering firms and retail and servicing establishments.
他们受雇于制冷与空调安装工承包商，各种工业环境，食品批发商，工程公司和零售及服务机构。
2
This paper introduces the application and selection of thermosyphon receiver in refrigeration systems, and cautions in installation.
本文简要介绍了热虹吸桶在制冷系统的应用范围、选型方法及安装应注意的一些要求。
3
Is a refrigeration equipment design, production, sales, installation and maintenance as one of the professional enterprise.