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所屬欄目：地理中國
所屬頻道：CCTV-10科教
年份：2013
展開全部
簡介：四川省的廣元市武勝縣木井村有兩口神奇的木井，近在咫尺井水卻天壤之別，一清一濁輪流上崗，每年的端午節和中秋節就要換班，幾百年來週而复始。本期節目記者帶領水文地質專家現場調查，經過取水樣化驗、岩層分析後發現，原來兩口井根本就不在同一個地層，渾濁的東西也不是糞便等贓物，而是一些析出的泉華，井水受外界溫度壓力的影響才表現出不同的水質。收起
《地理中國》 20130901 會“變臉”的古井（下）
《地理中國》 20130831 會“變臉”的古井（上）
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