Development of Lightweight Hydraulic Tunnel Core Drilling Rig

Release time:

2020-11-03

Author:

Source:

Reprinted from the coal science and technology, infringement will be deleted.

Key words:

Development and application of high efficiency drilling equipment for soft and hard composite coal seam

ZDY2-300LM Type Full Hydraulic Tunnel Drilling Rig with Double Working Arm

Development and application of high efficiency drilling equipment for soft and hard composite coal seam

ZDY2-300LM Type Full Hydraulic Tunnel Drilling Rig with Double Working Arm

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