19th century engraving of malonne fort defenses along sambre river valley in belgium - 人造堤岸 幅插畫檔、美工圖案、卡通及圖標
military history, trench with gabions and fascines, vintage illustration, 19th century, victorian - 人造堤岸 幅插畫檔、美工圖案、卡通及圖標
dike cross-section ,a levee, dike, dyke, embankment, floodbank, or stop bank is an elevated ridge, natural or artificial, alongside the banks of a river, often intended to protect against flooding of the area adjoining the river - 人造堤岸 幅插畫檔、美工圖案、卡通及圖標水壩
a levee, dike, dyke, embankment, floodbank, or stop bank is an elevated ridge, natural or artificial, alongside the banks of a river, often intended to protect against flooding of the area adjoining the river - 人造堤岸 幅插畫檔、美工圖案、卡通及圖標
