single-storey building单层建筑物
single-storey block单层房舍
single-storey单层
single-storey house平房;只有一层的房子
single-storey tapping单层采脂法
single-storey market单层街市
single-storey factory单层厂房
single-storey industrial building单层工业厂房
single-storey factory building单层厂房