螺旋转子制造技术是各种螺旋杆机械如螺旋杆钻具、螺旋泵等设备制造中的一项关键技术。
The technology of manufacture about helical rotor is vital to the manufacture of various helical poles, such as helic-borer and helic-pump.
经过几年对锚杆钻机的跟踪研究，发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象，造成施工过程经常更换钻具的问题。
After several years to jumbolter research, the hard rocks always present in the soft ones in the wall rock procedure using jumbolter, which results in changing the boring tool during the procedure.
司钻通过司钻控制盘(一个由仪表、控制杆、电阻箱和其它气动、液动及电子仪器组成的控制室)操作泵、绞车、转盘等。
The driller operates the pumps, drawworks, and rotary table via the drillers console-a control room of gauges, control levers, rheostats, and other pneumatic, hydraulic and electronic instrumentation.
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