核心动力的电动钻机器能、水力和空气动力来源。
Core drill machines can be powered by electric hydraulic or air power sources.
基础工程钻机性能的好坏，很大程度取决于动力头的质量。
The operation performance of driller, used for basement construction, is dependent on the quality of power unit in a considerable degree.
介绍了旋喷钻机钻进过程中几个重要工作参数的检测方法，包括钻机的钻进深度、动力头的回转速度以及摆喷的角度等。
Described the methods of detecting for some vital operating parameters of the jet-grouting drilling rig when it worked, including the drilling depth, the rotating speed and the swinging Angle.
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