| 3. | Land piling , space frame system , landscaping , air - conditioning , audio electronics , burglar alarm and security , electrical , uninterruptible power supply , fire services , fountain , lift , escalator and passenger conveyor , mechanical plant and equipment , repair and restoration of historic buildings , etc
土地打桩、空间构架系统、绿化工程、空调装置、音响装置、防盗及保安装置、电力装置、无间断供电装置、消防装置、喷水池装置、升降机、自动梯及乘客输送带装置、机械装置、维修及修复有历史性楼宇工程等 |
