The longer the single drill pipe, the lesser the critical compressive force of drill stem.
钻杆的单根长度越长,钻柱所能承受的临界载荷越小。
The research indicated that the critical compressive force of drill stem in horizontal well is closely related with the length of single drill pipe in use.
研究表明,水平井眼中钻柱所能承受的临界载荷和所使用钻杆的单根长度有密切关系。
Single-Leg Kick has been a favorite drill of some of the world's greatest breaststrokers.
单腿蛙泳练习历来是世界级优秀蛙泳选手的最爱。
SEALs quickly build a team ethic — not least, because they are collectively punished if a single person messes up a drill.
队员们必须迅速组成战斗依托小组——因为哪怕只有一个队员打乱了训练计划,全体队员都得集体受罚。
Results are readily displayed and allow the user to quickly understand duplicated values or drill back into the full frequency distribution for single or multiple columns as Figure 11 shows.
评价结果立即显示出来,使用户可以快速理解重复的值,或者回过头查看单个或多个列的全部频率分布,如图11所示。
Users can browse the list of courses and then drill down to view the details of a single course.
用户可以浏览球场的列表并随后深入查看单个球场的细节。
The goal is not to see how far you can go, but to see how WELL you can do the drill for a single length.
练习目标也不是看自己能够游多远,而是观察你在一个泳池的长度的练习中动作做得怎么样。
Set up, adjust and operate single-function machines to mix, drill, grind and cut concrete to specifications in the manufacture of concrete products.
安装,调整和操作单功能机混合,钻,磨,切割混凝土以达到混凝土产品的制造规格。
This is advance single arm drill where the opposite arm is not balancing in front.
这是升级了的单臂训练,反向的手臂没有放在前面用以平衡。
The next year saw them make a new record by boring a well with one drill in a single day.
第二年,他们创造了一台钻机一天打一口井的新纪录。
This paper introduces the 'structure characteristics and rock fragment characteristics of single step drill head with point pick.
介绍了单阶梯尖环齿钻头的结构特点及碎岩特点。
Taking an old standard drill like single arm, and turning it in to a set, can force swimmers to think and discover.
以一个旧标准的单臂演习,并约定俗成,能强迫游泳者去思考和探索。
Thee main products are: all kinds of diamond drill bits, PDC bits, casing boots, reaming, single and double tube wireline coring drilling, coring drill pipe, casing and other drilling tools.
主要产品有:各类金刚石钻头、复合片钻头、套管靴子、扩孔器、单双管绳索取芯钻具、绳索取芯钻杆、套管及其它钻探工具。
Single pass drilling apparatus, use a one-piece drill bit, method and rock bolt for single pass rock bolting.
单通道钻孔装置,整个钻头的使用,用于单通道岩石锚固的方法和岩石锚栓。
This is the elementary single arm drill.
这是基本单臂划水训练。
As she keeps very good of leg skill going on while she does the single arm drill.
即便是单臂训练,她的腿部仍保持着较好的状态。
In addition to the fleetness connects single root, can also use at salvage the homework, search direction or demands the slow the artesian well tool that turn last, and drill the size rat hole use.
除快速接单根外,还可用在打捞作业,找寻方向或需要慢转的钻井工具上,以及钻大小鼠洞用。
This is single arm drill elementary starting up with a good stream line position. left arm moving? And you notice Lindsay keeps a good line looking at the bottom of the pool.
这是基本单臂划水训练,起始时就有很好的流线形。左臂移动?,保持好的流线,注视池底。
The paper, first puts forward a rock drill should not be studied as a single object.
在对凿岩系统参数匹配进行研究时,首次从理论上提出了不应将凿岩机单独作为一个研究对象。
Multi selection is available: manual operation function, single-pin cycle, single - drill cycle functions, etc.
具有多种选择功能:手动操作功能、单钻孔循环等功能。
Do not make up or break out the bit on a single joint of DC. If this is absolutely necessary, always snub drill collar with the air tugger.
不要在一单根钻铤上卸钻头,如果确实需要这样做,要用气动绞车拉住钻铤。
It's easy to forget that a single arm drill is also a kicking drill.
单臂训练也是踢腿训练,这一点很容易遗忘,因为你要把注意力都放在手臂上。
However, the basic methods are to give lessons, to provide single and multiple teaching training, to give assignments for training and to carry out practical confrontation drill.
基本方法有讲授、单项教学训练、多项教学训练、想定作业教学训练、实兵对抗演练。
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。
There are two ways to do single arm drill.
单臂划水有两种方式。
There are two ways to do single arm drill.
单臂划水有两种方式。
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