Long Bin: advanced into the technology "unmanned area"
In the workshop, the dark -skinned Long Bin compared with the tunnel excavation ma...
[Struggler Zheng Youth · First -line Story] Long Bin: advanced into the technology "uninhabited area"
[Struggler Zheng Youth · First -line Story]In the workshop, the dark -skinned Long Bin compared with the tunnel excavation machine next to him.The blade operation test, start. Holding a walkie -tal