我国航空制造业的一些单位利用现有技术优势,开展进口航空机载设备的维修业务,这不仅是对航空公司修理能力的补充,同时也为航空公司节约了资金,缩短了送修周期。从事航空器机载无线电、仪表、附件等设备维修的单位被称为维修单位。维修单位在实施维修工作前,必须向中国民用航空总局提出申请。在得到批准后,方可从事规定范围内的维 Some units in China’s aviation industry make use of existing technology advantages to carry out the maintenance business of imported aviation airborne equipment. This not only complements the capability of airlines to repair, but also saves money for airlines and shortens the period of repair and maintenance. Engaged in aircraft airborne radio, instrumentation, accessories and other equipment maintenance unit is called the maintenance unit. Maintenance units in the implementation of maintenance work must be submitted to the Civil Aviation Administration of China. Only after they have been approved can they carry out the required dimensions