GYGD-IV Borehole Koob Yees Duab Los

- Jun 03, 2020-

Peb tus qauv tshiab GYGD-IV Borehole Tshuaj Xyuas Lub Koob Yees Duab yuav los rau kev ua lag luam nyob rau lub hli tom ntej. Txais tos kom muab koj cov kev txhawb nqa thiab nug rau peb.


Peb yuav khaws kev txhim kho thiab kev hloov kho peb cov khoom zoo thiab muab kev pabcuam zoo tshaj plaws rau ob tus neeg tshiab thiab qub.


Borehole inspection camera