同义词
1)lifts and escalators [public works category],升降机及自动梯(公共工程类别)2)manufacture and erection of mechanical plants and equipment [public works category],机械厂及设备的制造及设立(公共工程类别)3)survey of lifting appliances and lifting gear [public works category],起重机械及起重装置测量(公共工程类别)4)Housing Authority List of Lift and Escalator Contractors,《房委会升降机及自动梯承办商名册》5)air-conditioning and refrigeration installations [public works category],空调及制冷装置(公共工程类别)6)burglar alarm and security installations [public works category],防盗及保安装置(公共工程类别)
