Specification for dedicated liquefied petroleum gas appliances - mobile and portable non - domestic forced convection direct fired air heaters 专用液化石油气的器具规范.移动式和便携式非家用强制对流转换直燃式空气加热器
Exposure to handling automotive original equipment manufacturers ( oems ) , boiler & air heaters , hydraulic and steel industry etc will be highly preferable 接触过汽车原始设备生产商，锅炉，空气加热器，液压和钢铁等行业优先。
Specification for dedicated liquefied petroleum gas appliances . mobile and portable non - domestic forced convection direct fired air heaters 专用液化石油器用具规范.可移动式和可携带式非家用压力对流传热的直接点火空气燃烧器
The collector efficiency of double - flow solar air heaters with fins attached by baffles , has been investigated experimentally and theoretically 摘要本文理论分析配合实验印证，探讨双流式翅加档板型太阳能空气加热器之收集器效率。
Specification for dedicated liquefied petroleum gas appliances - mobile and portable non - domestic forced convection direct fired air heaters ; german version en 1596 : 1998 a1 : 2004 专用于液化石油器的规范.移动式和便携式非家用强制对
