The paper briefly introduces the main design points of the rear-mounted engine accessories on the bus.
简要介绍在客车上后置发动机时，其附件的设计要点。
Noise source identification for the model GZ6921 bus having rear mounted engine has been car ried out by means of the noise source identification model with testing and analysing system recommended.
运用该噪声识别模型及所介绍的测试分析系统，对GZ 6921型后置发动机客车噪声源进行了识别。
应用推荐