West-to-East Mountain Ranges, including the Tianshan-Yinshan-Yanshan Mountain Ridge, the Kunlun-Qinling-Dabie Mountain Ridge and the Nanling Ridge.

 
  • 东西走向:天山-阴山-燕山山系;昆仑山-大别山 山系和南岭山系。
今日热词
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