随着国民经济的发展,国内特殊用途专用车需求量逐年增加,其中有一部分是以客车作为平台的,如献血车、国民体质检测车、娱乐休闲车,等等。特种车本身的特殊性造成它一般生产批量小,设计、制造难度大,整个生产周期较长;因此,很多客车企业并不重视客车特种车的发展,要么不承接特种 With the development of the national economy, the demand for domestic special purpose vehicles has been increasing year by year. Some of them are based on passenger vehicles, such as blood donors, national constitutional testing vehicles, recreational vehicles, and so on. Because of the special nature of special vehicles, it is generally small in volume and difficult to design and manufacture, and the entire production cycle is long. Therefore, many bus companies do not attach importance to the development of passenger vehicles or do not undertake special