preheater ['pri:'hi:tə]

例句:

• The filament drive included a trailing weight and a preheater.
  长丝体的传动部分包括一个拖拉重锤和一个预热器.
  
• Application and advantage of inorganic heat transfer technology were introduced in air - preheater.
  介绍了无机传热技术在空气预热器上的应用及其技术的优越性.
  
• Remarks : Applied to wall and roof of preheater etc.
  主要用于预热器墙和顶盖等部位.