induced-draft fan造句

• Application of siemens 6se80 type frequency converter on a induced - draft fan
  80型变频器在引风机上的应用
• This machine can be formed into one integrated used sand cooling unit with combination of automatic temperature checking and damping system of used sand , blower fan , induced - draft fan and watering system
  该机与旧砂自动测温增湿系统及鼓风机引风机加水系统等可构成一个完整理想的旧砂冷却单元。