The invention discloses a sediment desilting method of turbulent flow and flood hyperconcentration and application thereof.本发明公开了一种稀性泥石流和高含沙洪水的泥沙拦淤方法及其应用....
The local church has traces of fifteenth-century frescoes.当地教堂仍留有15世纪壁画的遗迹。The castle was enlarged considerably in the fifteenth century.这个城堡在15世纪得到了相当大的扩展.The palace was built in the fifteenth century.这宫殿建于十五世纪....
常可在纯白色或带图案的彩色围巾中作出选择。You can often choose between plain white or coloured and patterned scarves.这些息肉无蒂或带蒂.These tumors may be sessile or pedunculated.留外人住宿或带外人进入宿舍.Entertain outsider to stay overnight or brought inside t...