On a regular basis for vehicle braking, direction, lighting, etc. inspection, maintenance, good vehicle maintenance.
定期对车辆制动、方向、灯光等进行检查维修，做好车辆维护。
The LED lighting device has the advantages of long service life and low maintenance cost.
本发明可以延长LED照明装置的使用寿命，并降低LED照明装置的维护成本。
Hospital, government building, plaza and other lighting places: long life span and maintenance free.
医院、市政大楼、广场等照明场所：长寿命、免维护。
Hospital, government building, plaza and other lighting places: long life span and maintenance free.
医院、市政大楼、广场等照明场所：长寿命、免维护。
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