网络释义
1)repair of motors,transformers and switchgear [public works category],修理马达、变压器及接电装置(公共工程类别)2)electrical installations [public works category],电器装置(公共工程类别)3)supply and installation of water treatment plant [public works category],供应及装置滤水器(公共工程类别)4)industrial type electrical installations [public works category],工业类电器装置(公共工程类别)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)