Planes from the drilling rig, drill pipe to send and entrusted pipe hydraulic cylinder are used, safe and reliable.
钻机的起架、送钻杆、托钻杆均采用了液压油缸，安全可靠。
Hu Zhijian. Research on Load Self-adaptive Hydraulic Control System of Drill Rig [d]. Changchun: Jilin University, 2007.
[7]胡志坚。钻机负载自适应液压控制系统的研究[d]。长春：吉林大学，2007。
Hu Zhijian. Research on Load Self-adaptive Hydraulic Control System of Drill Rig [d]. Changchun: Jilin University, 2007.
[7]胡志坚。钻机负载自适应液压控制系统的研究[d]。长春：吉林大学，2007。
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