轻质全片胶背地毯
light weight latex back full-cut carpet
中国轻量全片胶背地毯
Chinese light weight latex back full-cut carpet
城市的正面背面
Front and rear view of the city
单位地面面积散热量
heat release per unit floor area
地面地震
Surface seismic
surface seismic exploration
surface seism
地面地震CT
surface seismic CT
Surface seismic tomography