网络释义
1)soil and rock testing [public works category],土壤及岩石试验(公共工程类别)2)land,engineering and hydrographic survey services [public works category],土地、工程及水道测量服务(公共工程类别)3)land piling [public works category],土地打桩(公共工程类别)4)prefabricated architectural walls and finishes (screens,sound barriers and retaining walls) [public works category],加工前建筑墙壁及批荡(隔板、隔音屏障及挡土墙)(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)