发动机前端附件传动轮系是一个包括空调压缩机、动力转向泵、发电机、机油泵等附件的系统，它们通过V型带或者多楔带连接。

The wheel system for automobile engine accessories consist of the compressor, power steering pump, air filter, generator, etc. which linked by a V-belt or poly_rib belt.

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分离式机组由主机和室内机两部分组成，主机包括压缩机，四通阀，水-氟换热器及一些附件；

The unit is composed by the mainframe and the inside unit, the mainframe is divided into compressor, four-way valve, water-fluorine heat-exchanger and some accessories;

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