The driller is to trip off bottom and out of the hole at a speed that will not cause swabbing.

司钻要用一个对井底不会产生抽吸的速度进行起钻。

youdao

Then Houston, the control centre on the earth, called up and told me to use the tape to tape the bottom of the handrail and pull it off the telescope.

然后休斯顿，地球上的控制中心，打电话给我，让我用胶带把扶手的底部粘上，然后把它从望远镜上拉下来。

youdao

The bottom line is that you need to study, eat a good meal, sleep well on the eve of the test, and believe that your efforts will pay off.

底线是你需要在考试前夕学习，吃好饭，睡好觉，并相信你的努力会得到回报。

youdao

They want to be sure that he is not dealing off the bottom of the stack of cards.

VOA: special.2009.11.22

We just go through the list top to bottom, left to right, and cross names off as we go.

我们会从上到下，从左到右看那个问题清单，如果解决了就把名字擦掉。

哈佛公开课 - 计算机科学课程节选

STUDENT: -- want to be off the bottom branch.

学生：脱离最底层的分支。

麻省理工公开课 - 计算机科学及编程导论课程节选

The Oil Service Sector (OIH) has been very weak and trying to bounce off bottom.

FORBES: Can G7 Call Provide Hope for Market?

Shropshire skipper James Ralph top scored with 47 for Shifnal but Andy Miller's (5-35) for Walsall gave the Gorway Road side the maximum points, leaving Shifnal just 14 points off bottom spot.

BBC: O'Connell leads way in Shrews win

He wants to cut off the bottom rungs of the economic ladder and hurt low-skilled workers.

FORBES: Connect