In his time it was more economical to convey the hard water by aqueducts than by such pipes as could then be constructed. 李贝.西洋科学史.
The eighth book deals with water and with hydraulic engineering , hot springs, mineral waters, leveling instruments, construction of aqueducts, lead and clay piping. 李贝.西洋科学史.
He planned basilicas and aqueducts, and designed powerful war-e ngines capable of hurling rocks weighing three or four hundred pounds. 李贝.西洋科学史.
Huge aqueducts are being built which will convey pure mountain water a distance of 250 miles, and in quantities sufficient to supply two million people. 伯莎M.克拉克.科学通论.
Beginning life as a stone mason, he rose by his own industry to be a master among architects and a prince among builders of iron bridges, aqueducts, canals, tunnels, harbours and docks. 威廉·亨利·杜利特.世纪发明.
There followed others for a machine that should scoop out earth to make canals or aqueducts, for a Market or Passage Boat to use on canals, and for a Dispatch Boat that should travel quickly. 鲁伯特·萨金特·荷兰.历史性发明.
The roads leading to garitas (the gates) San Cosme and Belen, by which these aqueducts enter the city, were strongly intrenched. 尤利西斯·格兰特.U.S.格兰特的个人回忆录.
The City of Mexico is supplied with water by two aqueducts, resting on strong stone arches. 尤利西斯·格兰特.U.S.格兰特的个人回忆录.