司钻启动绞车正转，把油门调到最低限度，挂上低速离合器，慢慢的把大绳缠到绞车辊筒上。
The driller engages the drawworks in forward drive and sets the throttle at minimum speed. And engages the low clutch and slowly spools the drilling line on the drawworks drum.
司钻启动绞车正转，把油门调到最低限度，挂上低速离合器，慢慢的把大绳缠到绞车辊筒上。
The driller engages the drawworks in forward drive and sets the throttle at minimum speed. And engages the low clutch and slowly spools the drilling line on the drawworks drum.
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