灌溉运河,道路,桥梁和电力网络都被破坏。
Irrigation canals, roads, Bridges and electricity networks have been damaged.
这些管道被认为是为灌溉地表而修建的运河系统。
The lines were thought to have been a system of canals that had been built to irrigate the surface.
正是这点使得灌溉的统筹,特别是建造运河以疏导和保护水,变得至关重要。
It was this that made the organization of irrigation, particularly the building of canals to channel and preserve the water, essential.
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