详细分析了通风机并联与串联工作的原理，对通风机并联与串联工作的适用条件和注意事项进行了详细说明，并且结合隧道通风的实际情况举例说明了各种通风机联合工作方式的特点，针对通风机并联与串联技术的应用和发展提出了建议。

In the paper, detailed analysis is made on the working principle of ventilations with parallelconnected fans and seriesconnected fans, detailed description of the application conditions and special aspects of ventilations with parallelconnected fans and seriesconnected fans is provided, features of ventilations with parallelconnected fans and seriesconnected fans are presented by means of actual ventilation cases and recommendations are suggested on the application and development of ventilations with parallelconnected fans and seriesconnected fans.