锚杆钻机 meaning in English

jumbolter

Motor used in electric bolt - hole drill for coal mine
煤矿用电动锚杆钻机电动机
General technical condition of roofbolter for coal mining
煤矿用锚杆钻机通用技术条件
Rotary drill rod used for coal mining roofbolter
煤矿锚杆钻机用回转钻杆
The industrial test of the mz - 150 anchor rig
150型锚杆钻机的工业性试验
Measure to improve reliability of ymz - 7 . 5 hydraulic roofbolter
5液压锚杆钻机可靠性的措施

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