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.
面对此情况，我们必须对直流电动钻机由无功功率大而引起的发电机功率消耗大的现状加以改进。对影响直流电动钻机集电环使用寿命的问题进行了探讨。
Faced with this situation, we need to improve the situation of large consumption caused by a large generator, the problems that impact the life of DC electric drill collecting ring are discussed.
顺穿法一般在电动钻机上采用，主要考虑到电控操作提升系统比较平稳； 花穿法一般在机械钻机上使用，以受力平衡来缓解气控操作带来的冲击载荷的影响。
The sequent wire-pulling is used in electric powered rig as it has smooth lifting system and cross wire-pulling is used in mechanical rig as balanced force relief impact force by compressed ai.
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