New Developed Drilling Rig Move along the middle groove Driven by Emulsion for water and gas probing in coal mines
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ZYJ-1000/135 FLP underground water exploration 360°rotary drilling rig2022-11-03 13:10:00 |
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ZYJ-1000/135 MING DRILLING MACHINE WITH POST FOR CAVING ROOF2022-11-02 09:01:23 |