-
Sep 04, 2020Zhu Xun Thiab Nws Cov Mineral Prospecting Philosophy1. Nkag siab ntawm" Txheeb Xyuas" Txhim kho qhov ntsuas ntawm kev tshawb fawb geological yog qhov tseem ceeb Xyoo 1952, Zhu Xun tau raug xa los ntawm Renmin University ntawm Tua... -
Sep 04, 2020Niaj hnub no, Nco ntsoov Kev Nyuaj Siab Sau Hauv Ntshav Thiab Kua Muag!Niaj hnub no, nco ntsoov qhov kev tawm tsam uas sau hauv ntshav thiab kua muag!
