drawworksの例文

例文

1. Horsepower ratings for drawworks can also have a wide range, often ranging from 1000 HP to over 3000 HP.
2. Drawworks can be used to hoist or lower several hundred thousand pounds of weight and can come in AC, DC or mechanical power units.
3. The drawworks often has a pulley drive arrangement on the front side to provide turning power to the rotary table, although on many rigs the rotary table is independently powered.