When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后,我们就在那里竖起一个井架。
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Soon, hundreds of oil derricks were pumping the black gold to the surface.
很快,数百个石油井架将黑金抽到地表。
who was 系列
One day, she promised herself, she would take her girls away from the reservation and the small town of Fairfax with its clanking oil derricks and dusty roads.
A derrick is a lifting device composed at minimum of one guyed mast, as in a gin pole, which may be articulated over a load by adjusting its guys. Most derricks have at least two components, either a guyed mast or self-supporting tower, and a boom hinged at its base to provide articulation, as in a stiffleg derrick.