古代著名水利工程
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On the other hand, some Chinese ancient famous projects such as Lingqu Canal and Dujiang Dam have been 2000 years, and are still on working.
而我国古代著名水利工程如灵渠、都江堰等,历经两千余年,至今仍然发挥作用,其中必定有宝贵的经验和教训。
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