求翻译：⑧ At the height of the Roman Empire, nine major systems, with an innovative layout of pipes and well-built sewers, supplied the occupants of Rome with as much water per person as is provided in many parts of the industrial world today.是什么意思？

⑧罗马帝国的高度，九大系统，管道和精心打造的下水道与创新的布局，提供尽可能多的水每人提供在工业世界的许多地方，今天罗马的居住者。

8 the height of the At Roman Empire, nine major systems, with an innovative layout of pipes and sewers well-built, supplied with the occupants of Rome as much water per person as is provided in many parts of the industrial world today.

⑧ At the height of the Roman Empire, nine major systems, with an innovative layout of pipes and well-built sewers, supplied the occupants of Rome with as much water per person as is provided in many parts of the industrial world today.

⑧ At the height of the Roman Empire, nine major systems, with an innovative layout of pipes and well-built sewers, supplied the occupants of Rome with as much water per person as is provided in many parts of the industrial world today.

⑨ When the pagoda reached Japan, however, its architecture was freely adapted to lo-cal conditions-they were built less high, typically five rather than nine storeys, made mainly of wood and the staircase was dispensed with because the Japanese pagoda did not have any practical use but more of an ar