The main technology to realize high production and high efficiency in abroad is fully mechanized long-wall mining for a single seam or room-and-pillar mining.
国外高产高效矿井建设是以单一煤层长壁和房柱式综合机械化为主要开采技术。
During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.
在综采放顶煤工作面顺槽掘进过程中，由于顺槽煤层顶板松动破碎，并且顺槽采用矩形断面，顶板跨距较大，不利于巷道支护。
It was succeeded in practical application. It is an useful exploration for the roadway stability control of fully-mechanized top-coal caving long-wall face in soft and thick coal seam.
并成功进行了实践应用，为进一步完善松软厚煤层长壁综放工作面顺槽稳定性控制理论技术体系进行了有益探索。
The reasonable definitional feature of shallow coal seam is analyzed base on the overlying strata's composition, the activity law long-wall mining'soverlying layers and the depth of coal seam.
以煤层上覆岩层组成、长壁回采工作面覆岩活动规律、煤层埋藏深度作为浅埋煤层开采界定指标，论证了指标合理取值。
The trouble had been brewing for a very long time, but Wall Street noticed quite late.
这个问题存在了很长的时间，但是华尔街发现的相当的晚。
It is believed that the wall was approximately 5, 500 miles long.
据说，长城有5500英里长。
He measured it by the four sides: it had a wall round about, five hundred reeds long, and five hundred broad, to make a separation between the sanctuary and the profane place.
他量四面，四围有墙，长五百肘，宽五百肘，为要分别圣地与俗地。
A long wall wraps around the perimeter of the lot.
一面长长的墙包围着整个地块。
Therefore, from the coast in shallow water areas near the sea of dark blue will suddenly become white, and appear in its front a long wall of the bright water;
因此，在离海岸不远的浅海区深蓝色海面就会突然变成白色，并在其前方出现一道长长的明亮的水墙；
There was a regulation to protect the wall in 2006, but the wall is so long it is hard to enforce.
2006年出台了一份保护长城的法规，但长城太长很难实施。
I've built a wall, a long, long wall. No other wall is longer.
我已经建造一堵墙，一堵很长的墙。没有其他墙比它更长。
Following a small footpath, the visitor first sees a long concrete wall, 3m high, with a single opening.
通过一条小人行道，参观者可以看到一道长长的三米高混凝土墙，墙上只有一道开口。
The long warm rain had done strange things to the herbaceous beds which bordered the walk by the lower wall.
长时间的温暖的雨水使小路旁紧靠矮墙的草本花圃发生了奇怪的变化。
A long thin table against the front wall was covered with gorgeous jewelry.
而靠墙的一条长桌上则摆满了琳琅满目的首饰。
Doctors used a long robotic tube to pass the instrument down the patient's throat. Then they made a cut in the wall of the stomach.
医生利用一个长的机械软管将器械送入患者喉部，然后在胃壁处开一个口。
你看，还有这么长的城墙！
A path, marked by a long concrete wall leads the visitor away from the main structure toward a workshop complex consisting of a two-story square building.
一条靠近长长的混凝土墙体的小径将参观者带离主体建筑，通向一座两层的工厂建筑。
But be careful; people on Main Street USA trusted people on Wall Street for a long time because the financial system seemed to be producing reliable results that were the envy of the world.
但当心；长时间以来美国大街的人信任华尔街的人，因为金融系统看上去正在产出让世界羡慕的可靠结果。
Therefore, he decided to build a long wall.
因此，他决定修筑一道长城。
Amazon unapologetically builds its business for the long-term, without worrying about what short-term Wall Street traders think.
亚马逊执着地建立长期商务，并不顾虑短期华尔街交易员的想法。
On the best long-term measure, the cyclically adjusted price-earnings ratio, Wall Street looks overvalued on a multiple of 21.9, some 33% above the historic average.
用最好的衡量长期收益的工具——周期性调整市盈率——衡量，华尔街金融市场的溢价为21.9倍，高于历史均值大约33%。
It has long been considered the best risk manager on Wall Street.
长期以来，一直被看成华尔街最好的风险管理者。
They watched our investment bankers and emulated them: for a long time now half the planet's college graduates seemed to want nothing more out of life than a job on Wall Street.
很多人观察着我们的投资银行并努力成为其一员：在很长的一段时间内，这个星球上半数的大学毕业的人生愿望除了进入华尔街外再无其他。
They watched our investment bankers and emulated them: for a long time now half the planet's college graduates seemed to want nothing more out of life than a job on Wall Street.
很多人观察着我们的投资银行并努力成为其一员：在很长的一段时间内，这个星球上半数的大学毕业的人生愿望除了进入华尔街外再无其他。
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