The drill string of ERW is taken as research object, the dynamic problem is brought forward during making hole, and the mechanics model about each dynamic action is established.
以大位移井钻柱的部分或整体为研究对象,提出了钻井各种动态问题,建立了钻柱的各种动态行为的力学模型。
Therefore, this thesis did thorough researches in allusion to the problems of making hole processing technology in the composite armor and optimizing craft parameters when it was in mass production.
因此,论文主要研究面向批量生产时复合装甲制孔加工工艺和工艺参数优化问题。
Peter shouted for help because he knew the hole meant that the sea was making its way through the sea wall, but no answer came.
彼得知道这个洞意味着海水正在穿过海堤,所以他大声呼救,但没人应答。
So Leonhardt and Pendry imagined bending space to steer light around a circular region, making anything inside that hole invisible.
因此,莱昂·哈特和彭迪设想,通过弯曲空间来引导光绕过圆环,从而使位于圆环中的所有东西都隐身。
These are very lofty goals but if carried out, Recycled Island would turn the trash into a money making enterprise rather than an economic sink hole.
这些都是很高远的目标,一旦实现,再生岛就能变废为宝,财源滚滚,而不会变成一个资金黑洞。
The supermassive black hole at the center of NGC 3115, they calculate, has a mass of about 2 billion Suns, making it the nearest billion-solar-mass black hole to Earth at 32 million light-years away.
据推算,NGC3115中心的超大质量黑洞,距地球3200万光年,质量相当于太阳质量的20亿倍。这也使它成为距地球最近的“10亿太阳质量级别”黑洞。
In Germany and other countries eggs used for cooking were not broken, but the contents were removed by making a hole from the end of each egg with a needle and blowing the contents into a bowl.
在德国和其它一些国家,人们在食用鸡蛋时并不事先将其打破,他们往往用针在鸡蛋一头扎一小孔,再将鸡蛋内的蛋液吹进碗中。
The store also acts as a community center: Every so often, its second floor hosts workshops on making artisanal hand cream or shooting pin-hole photography or playing guitar.
除此之外,他们的店铺还扮演着社区活动中心的角色:店铺的二楼常常都有讲习班,讲习内容则是自制护手霜、拍摄针孔照片或是演奏吉它的技巧。
If your ERCP included a therapeutic procedure such as removal of stones or placement of a stent (drain), there are additional small risks of bleeding or perforation (making a hole in the intestine).
如果要通过造影进行治疗,比如结石清除或者放置支架引流,还要考虑出血或者肠穿孔的风险。
The staircase creaked a bit then collapsed, making a hole where they were standing and quickly, the potion began to drip from the lops to the side and to the bottom.
楼梯裂了口,紧接着就塌了,在他们站的地方弄了个窟窿——那蓝色药水从边边角角往下滴。
The metal bento boxes, once popular in Japan, were often corroded by the acid of umeboshi, eventually making a hole in the middle of the lid.
一度在日本受到欢迎的金属便当盒经常会被梅干的酸性腐蚀,最终会在盖子中央打出一个洞。
The drain was a big black hole, and the water went through it very fast, making a loud noise.
这个排水管是一个大黑洞,水在排水管中湍急地流过,发出很大的声响。
They sank the barge by making a hole in the bottom.
他们在驳船底部打个洞把它弄沉了。
Some construction technologies were introduced in detail such as making of bolts hole, manufacture and installation of steel members, making, installation and tension of external strand.
详细介绍了螺栓孔打眼、钢构件工厂制作和现场安装、体外束的制作和安装以及体外束的张拉等施工工艺。
So often easily design overflow and air vent at inappropriate location, making casting generated gas hole.
所以常常容易因为溢流井与逃气道位置设计不当,使得铸件产生气孔的缺陷。
To begin with, the installment of the air-conditioner always involves the hole making in the wall, which undoubtedly makes the wall less pleasing to the eye than if not.
首先,空气的装置-空调总是涉及孔在墙上决策,这无疑使墙体不中看比如果不是眼睛。
By designing and making the roll-over drill jig, the processing precision of hole is improved and work intensity is reduced.
通过设计制造翻转式钻模,提高孔的加工精度,降低劳动强度。
Wind: Oh, little mouse, why are you making a hole in Hill's side?
风:哦,小老鼠,你为什么要在山的一边挖洞呢?
So they dibbled a small hole in the turf and buried the piece of toffee. Then they ate the other pieces, making them last as long as they could.
于是,他们在草皮上挖了一个小洞,埋下了那颗太妃糖,然后,开始吃剩下的八颗,尽可能久地慢慢品味。
(V/O)Today y's professional instrument makers succeed in making a set of ten-hole Xun Ocarinas and thus make up for its small volume range.
今天, 虀新一代乐器制作家成功地做出了一套十孔的埙,弥补了古埙音域狭窄的缺点。
This paper introduces briefly the present internal and external state of drilling machining methods, drill material, new technology for making drills and some new types of deep hole making drills.
介绍了当前国内外钻削加工的方法、钻头材料、制造钻头的新工艺及一些新型的深孔加工钻头。
This machine bed can pack to the head of clip-drill and the drills with many bore, making drill a hole more convenient.
本机床可装钻夹头和多孔钻座,使钻孔时更加方便。
By making a physical analysis of three samples, the coating structures: internal hole, external hole and chap structures have been revealed.
并通过对三个纸样的分析,揭示了喷墨打印照片纸的三种典型涂层结构:内孔隙结构、外孔隙结构、龟裂结构。
The identification of down-hole dynamometer card is the key to making the diagnosis expert system for pumping with rod.
井下示功图的自动识别是建造有杆抽油工况诊断专家系统的一个技术关键。
Applying the principle to EDM can improve the machining performances, and playing the role of removing chips in the small hole-making and machining of deep slots.
利用这种原理,可提高电火花加工性能,在小孔、深槽等加工应用中起到促进排屑的作用。
For a sharper image you can make a better pinhole by cutting a one-inch square hole in the carton, taping a piece of aluminum foil over this hole, and then making the pinhole in the foil.
要想看到更美地景观,你行的意思可以做一个更好地观察孔可以。在纸箱内切一个一英寸地方型孔,在孔上贴一层铝泊片,然后在泊片上打个孔可以。
For a sharper image you can make a better pinhole by cutting a one-inch square hole in the carton, taping a piece of aluminum foil over this hole, and then making the pinhole in the foil.
要想看到更美地景观,你行的意思可以做一个更好地观察孔可以。在纸箱内切一个一英寸地方型孔,在孔上贴一层铝泊片,然后在泊片上打个孔可以。
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