查询词典 drill

Then the others reminded him that the drill instructor would return shortly, and it was his fear of the drill instructor's arrival that finally calmed him down.

有人说教官马上要来了，他也便不敢再造次，慢慢安静了下来。

It is significant for adjusting drill pipe sequence to improve average life of drill string.

该研究结果对于现场提高钻柱的平均使用寿命具有重要的工程理论指导意义。

Here I m using a drill press to drill the first holes through the clear top and into the box.

在这里我使用的演练新闻界演练的第一洞，通过明确的顶部和成的方块。

Here, I m using a drill press to drill pilot holes for the table scroll saw blade.

在这里，我使用的演练新闻界演练试验洞为表滚动锯片。

So I guess I could start by drill a hole with the drill press and then use these small file sets I have to make the taper to the LE?

所以我猜我可以开始钻一个孔，与演习的新闻，然后用这些小档案，套我，使锥度，以乐？

Needless to say at that price I went home with 3 different ones. It was quite worn but sharpened up with my small diamond stone and did the job. I did most of them in my drill press but moved over to the mill as my drill press won't get the center holes.

不用说在这个价格我到家里， 3种不同的，这是相当破旧，但激化了与我的小钻石石和没有工作，我没有他们大多在我的钻床，但移动到轧机作为我的钻床将得不到中心孔。

In this paper, ADAMS and ANSYS software are used to build the model of drill stem and dynamically simulate the distortion of drill stem in vertical well.

本文利用ADAMS软件和ANSYS软件，建立了钻柱模型，动态模拟了垂直井眼中钻柱的受力变形，直观准确地再现了钻柱与套管壁接触的全过程。

Considering the complex influence factors for the failure of drill stem,an analytic model for failure of drill stem based on support vector machine and cluster analysis theory was established.

针对钻具失效影响因素比较复杂的问题，建立了基于支持向量机和聚类分析理论的钻具失效原因分析模型。

In order to prevent abrasion and extend the service life, people deal with all kinds of researches. Now, people use a new method of preventing drill stem abrasion －Install non-rotating protector in the part near drill stem tie-in to solve this problem effectively.

为防止钻柱磨损和延长钻柱的使用寿命，人们从事了各种各样的研究工作，目前，工程上采用了一种新型的防磨方法——在靠近钻柱接头的部位，安装非旋转防磨减断保护套，有效地解决了这个问题。

This method displays the whole process of the contact between drill stem and well wall, and gives contact points and contact forces. It provides a reliable and practical aidlifetime of the drill stem. The method presented in this paper may also be adapand extended reach well drilling.

为实钻时，防止钻柱磨损和对钻柱寿命的预测提供了依据，对钻柱的结构设计以及钻柱力学的研究具有一定指导意义，本方法适用性强也可应用于定向井、大位移井等同类问题的研究。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。