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MQT130-2.8A Pneumatic Rotary Roof Bolter|It ′ S A Special Machine In Coal Mine Tunnel Or Engineering Underground

Portable pneumatic roofbolte is a kind of operation by air pressure bolt drilling rig, is the important equipment in coal mine roadway excavation equipment, to improve the supporting effect, reduce cost, accelerate the driving speed, reduce the amount of auxiliary transportation, reduce labor intensity, has a very prominent superiority to improve the utilization of roadway section.


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