Lower down and secure all derricks and report.

放下，绑牢吊杆并报告。

Lofty derricks dot the landscape in an oil field.

高耸的井架点缀着油田的景色。

All derricks lowered down and secured.

所有吊杆已放下并绑牢。

38.the top position of no.2 derrick post is mandering.

2号吊杆柱上部位置不正。

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。

Just hiring a derrick barge massive enough to do the job can cost $700,000 a day.

租一艘井架驳船就足够搞定，其费用为每天70万美元。

Not so long ago, Huntington Beach was dotted with oil derricks; now the only oil here is suntan lotion.

不久以前，亨廷顿海滩 (Huntington Beach) 上布满了石油井架，现在我们在这里只看到一种油—太阳油。

Before long, he descried an oil area by using a derrick.

不久，他利用钻塔察看到一处油田。

The artist erected a man in the front yard, that resembled a derrick.

艺术家在前院竖立了一个人， 那是一个类似井架的人。

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。