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B1 Intermediate
Chinese
15:25
Educational
一座大型水利枢纽工程！大石峡水利枢纽建在号称中国峡谷之王的天山温宿大峡谷中 最大坝高247米 相当于80多层楼高 《大国建造》第二季 03【CCTV纪录】
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B1
CEFR Level
5/10
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