They stacked rocks with center holes (tube or doughnut shaped) from the surface to the deep stone layer as a guide for their drills (similar to today's guide tubes).
管状或中空管状的中心孔从地表到深石岩石层放满石头，以作为铁转的探头，作用类似今天的导管。
The expansion of the former may be accomplished by squeezing the elastomeric elements (somewhat doughnut shaped) between two plates, forcing the sides to bulge outward.
生产封隔器的膨胀可能通过挤压位于两个盘子之间的弹性部件(有些象汽车轮胎形状)来完成，迫使侧边向外膨胀。
Core memory a type of memory that stores information on magnetically charged doughnut shaped cores. mass storage is currently mostly on magnetic disk drum or taoe rather than core.
磁心贮记器磁心像炸糖环的形状，存贮信息。它是磁化贮记器的一种。大量的信息存贮，现在多采用磁碟、碟鼓或磁带，用磁心贮记器较少。
The Van Allen belts are two doughnut-shaped rings of charged particles-one nestled inside the other-that encircle our planet.
范艾伦辐射带是由带电粒子组成的两个甜甜圈形状的环状物——其中一个挨靠在另一个内部——环绕着我们地球。
I'd only come inside in the hope of buying one of the doughnut-shaped bread rolls popular throughout Turkey.
我走到里面去只是想买一个油炸圈饼，这是一种在土耳其全国都很普遍的面包圈。
Also known as the torus, this large doughnut-shaped structure sits in the centre of the reactor building at a lower level than the reactor.
这个巨大的油炸圈形(圆环形)的构筑物坐落在反应堆建筑的中心，它的标高比反应堆低。
It consists of a dusty, doughnut-shaped cloud of gas and dust that feeds a central supermassive black hole.
它由多尘的环状气体云和不断进入中心巨型黑洞的尘埃组成。
It is also the biggest and most secretive of British agencies, so Richard Aldrich's book is a welcome account of the body that inhabits a mysterious doughnut-shaped building outside Cheltenham.
同时它也是英国最大最机密的机构，因此richardAldrich的书对于那些居住在Cheltenham外神秘的圆环形建筑中的人们来说是一个很受欢迎的记录。
Goodyear built in 1961 this 24-foot-wide model of a rubber doughnut-shaped space space station, which, perhaps not surprisingly, looked like an inner tube.
1961年，固特异曾建造了一个7米宽的圆环橡胶空间站模型。以固特异所从事的老本行来看，这玩意就像是一个轮胎内胎也没什么好惊讶的。
Sink your teeth into the voodoo doll-shaped doughnut, stuffed with jelly, at Voodoo Doughnut in Portland, Oregon.
在俄勒冈州波特兰市的巫毒娃娃甜品店，品尝巫毒娃娃形状的甜点，里面还有布丁馅。
The mountain is encircled by the doughnut-shaped depression of the caldera.
山为环形的破火山口洼地环抱着。
An un raised doughnut usually twisted but also shaped into rings or oblongs.
炸圈饼面团一种未发涨的油炸面团圈，通常成纽绞条状，但也有圆环或长方形的。
To keep astronauts in the equivalent of an equatorial region, the living quarters of the spacecraft would have to be doughnut-shaped.
为了让太空人保持相当于赤道区的状况，太空船的活动区必须做成甜甜圈状。
When we hear the term "MRI, " most of us probably think of a special treatment room in a hospital with a huge doughnut-shaped machine that costs a lot of money and makes a lot of noise.
提到“磁共振成像”，绝大多数人都会想到医院里特别治疗室里面的那台油煎饼状，费用高昂而且噪声很大的巨大机器。
ITER is what is known as a tokamak, a doughnut-shaped device invented in Russia at about the same time Zeta was active.
国际热核反应堆就是我们所熟知的托克马克装置。当Zeta反应堆开始工作的时候，俄国人就发明这个形状像甜甜圈的家伙。
The heterogenous 8-shaped knot is formed by changing one of two X-shaped cross structures at the middle part of the standardized 8-shaped knot into Chinese doughnut-shaped twisted structure.
异型8字结是将规范的8字结中部的两个X形交叉结构中的一 个，变换成麻花状绞纽结构的一种结扣形式。
The heterogenous 8-shaped knot is formed by changing one of two X-shaped cross structures at the middle part of the standardized 8-shaped knot into Chinese doughnut-shaped twisted structure.
异型8字结是将规范的8字结中部的两个X形交叉结构中的一 个，变换成麻花状绞纽结构的一种结扣形式。
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