Steven Liu
29 subscribers
0:42
Forepole support for tunnels, anchor bolt for tunnelling
Steven Liu
195 views • 1 day ago
0:42
Underground mine Jumbo drilling, tunnel blasting hole
Steven Liu
6 views • 2 days ago
0:24
Underground drilling rig #tunnel drilling
Steven Liu
4 views • 4 days ago
0:19
Roof bolting, Underground support system
Steven Liu
60 views • 7 days ago
0:38
Intelligent anchor rod trolley, automatic drilling, installation of anchor rods, grouting #shorts
Steven Liu
50 views • 1 month ago
1:03
Intelligent rock bolting jumbo, drilling hole, grouting, fixing of rock bolt. #drilling rig #bolt
Steven Liu
50 views • 1 month ago
1:02
#shorts Multifunctional crawler hydraulic drilling rigs show introduction
Steven Liu
610 views • 2 months ago
1:58
#shorts Excavation construction of underground mines using rock drilling rigs, it drill blast holes
Steven Liu
712 views • 2 months ago
0:27
#shorts Portable split drill rig anchor cable hole construction for side slop support reinforcement
Steven Liu
34 views • 2 months ago
0:15
#shorts Anchor rod construction for hydropower station tunnel #tunnel drilling rig
Steven Liu
24 views • 2 months ago
0:21
#shorts Rock bolting jumbo hydropower station bolt construction record #drilling rig #drilling jumbo
Steven Liu
21 views • 2 months ago
0:27
DW902 Tunnel multifunctional bolting drilling rig #shorts
Steven Liu
43 views • 3 months ago
0:18
Construction Record of Small Crawler Drilling Machine in Water Diversion Tunnel#drilling rig #shorts
Steven Liu
3 views • 3 months ago
0:23
DW902 Tunnel multifunctional bolting drilling rig #shorts
Steven Liu
67 views • 3 months ago
0:17
#shorts Multifunctional drilling rigs foundation pit construction, foundation pit anchor cable
Steven Liu
2 views • 4 months ago
0:40
#shorts Tunnel rock bolting jumbo construction site used for tunnel support
Steven Liu
6 views • 4 months ago
1:22
Wheeled multifunctional drilling rig construction records #anchor drilling rig #shorts
Steven Liu
5 views • 4 months ago
0:17
Anchor rod drilling rig, rock bolting jumbo, with wide work section used in tunnel #shorts
Steven Liu
8 views • 4 months ago
0:30
Automatically disassemble drill pipe of multifunctional drilling rig
Steven Liu
18 views • 4 months ago
0:29
Tunnel high-altitude operation platform used for tunnel install explosives
Steven Liu
3 views • 4 months ago
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