伊敏河下游及海拉尔地区细石器遗存王成伊敏河是海拉尔河的一个主要支流，发源于大兴安岭中段的西北，自南向北纵贯呼伦贝尔盟鄂温克族自治旗和海拉尔市区，在海拉尔以北的敖包山下，汇人海拉尔河，全长约３６０公里。这里河湖纵横，水草丰美，牛羊成群，是内蒙古最富庶的... Remains of fine stone in the lower reaches of Yimin and Hailar Wangcheng Yimin River is a major tributary of the Hailar River, originating in the northwest of the Greater Hinggan Mountains. It runs through the Hulun Buir League Owen Banner and Hailar City from south to north, Aobao Hill, Hui Ren Hailaer River, a total length of about 360 km. Here, rivers and lakes, abundant plants, cattle and sheep flocks, is the most affluent in Inner Mongolia ...