Kev siv lub tsev teev ntuj hauv Dali ntawm KR40 me me teb drilling rig tshuab

Siv Txheej Txheem: Av Txheej, silt

DRILLING qhov tob: 8m

Drilling Inch: 800mm

Qhov-ua lub sijhawm: 15 feeb

Chaw Nyob: Dali, Yunnan Provinc