Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 6.SINOGNSS 서베이마스터(Survey Master) 현황측량 하는 법. That video is uploaded by 공영정밀측기스카이문TV at 2022-09-26T22:21:25-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [z3mgsieIndA]