constructionn.建设;结构;建筑物;建造;构造;解释
constructional engineering建筑工程
Construction of tile roofs瓦屋面构造
construction of coal lance煤枪结构
construction of mine field矿区建设
construction yard lighting施工场地照明
construction craftsmanship施工工艺
Construction of small town小城镇建设