Remove the front cover of the drawworks.
卸掉绞车前边的护罩。
Remove the front guard cover of the drawworks.
卸掉绞车前边的护罩。
Feed the new drilling line (fast line) through the side of the drawworks drum.
把快绳头穿过绞车辊筒的一边。
The front drawworks guard should be put back in place when the operation is completed.
作业结束之后，要尽快把绞车前边的护罩装回原处。
Drawworks adopts single shaft gear transmission structure, which is simple and reliable.
绞车为单轴齿轮传动结构，传动结构简单、可靠。
The drawworks auto-gearing system controlled by single chip computer is put forward in this paper.
提出了由单片机控制的绞车自动换挡系统。
The drawworks auto-gearing system controlled by single chip computer is put forward in this paper.
提出了由单片机控制的绞车自动换挡系统。
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