var ancestorid_779='776'; var isauth_779='0'; var istop_779='0'; var iselite_779='0'; var iscommend_779='0'; var islock_779='0'; var title_779='Re:【挑战之旅---自驾额济纳】第一集.........'; var body_779='过了黄河大桥,远处的出现了不高的“黄土高坡”--难道与黄河相邻的土地也一定是黄的吗?

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