Drill Down By的意思|示意

This pressure must be under control, and we control it by means of the mud which we circulate down the drill pipe.

这种压力必须加以控制，我们让泥桨顺着钻杆向下循环，用这种方法来控制压力。

You could also do single arm drill with your arm down by your side. This is the way we like to do.

你还可以进行单臂划水训练，一只手臂置于体侧。

You see, companies used to drill for oil by going straight down.

你瞧，过去石油公司常常采用垂直钻探石油。

The statement type TAB in Figure 44 allows you to perform the query drill down by statement type.

在图44所示的Statement Type选项卡上，可以按照语句类型执行查询钻取。

This pressure must be under control, and we control it by means of the mud which wecirculate down the drill pipe.

这种压力必须加以控制，我们让泥桨顺着钻杆向下循环，用这种方法来控制压力。 。

Instead of other tools, you have to manually drill down level by level.

不像其它的工具，您必须手动地一级一级地挖掘。