Aqueducts

例句:

• 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.

编辑:朗达