发射无方向信号的无线电信标台。据此飞行员能够用自动定向仪 （ADF ）确定他的背台或向台方位。
A radio beacon which transmits nondirectional signals whereby the pilot can use the ADF to determine his bearing to or from the station.
我们想买一台湿背式锅炉。
介绍了采用10%水泥碎石稳定集料挤密桩加固已施工结束的台背回填土体的挤密原理、设计方案、施工要求及质量控制。
The compaction principle, design scheme, construction demand and quality control of bridge abutment backfill reinforcement using compaction piles that are stabilized with10%cement are introduced.
结合实际情况，提出了较好的桥头搭板的设置方案及台背回填应注意的几个问题，供设计施工参考。
Based on actual conditions, the paper proposes better designing of transition slabs and problems in abutment backfilling for reference of the construction of the same kind.
高速公路构造物台背回填质量关系到高速公路整体质量。
The quality of freeway structure retailing backwall refilling concerns the freeway global quality.
砂砾是台背回填工程常用的回填材料之一。
The gravel is one of the most common materials for abutment backfilling.
如在路堤加筋、台背路堤填土加筋、岩石边坡路基防护和路面裂缝的防治等。
For example, it can apply to embankment reinforcement and embankment fill and rock slope defence and pavement crack prevention etc.
现场测试结果表明，台背土压力大致呈“抛物线型”分布，与库仑土压力理论的线性分布不同。
The results of field test indicate that the earth pressure of abutment, different from linear distribution of Coulomb's, acts as parabolic type.
同时，为降低桥头地基的荷载和基础应力，减少沉降并增加填料的密实度，台背回填采用液态粉煤灰填筑。
At the same time, liquid coal ash is used in backfilling of abutment, so as to reduce the load and basic stress, reduce settlement and increase the dense of fillings.
研究表明，在连续级配碎石、砂砾、石灰稳定土、石屑几种回填材料中以自然级配砂砾石为最佳台背回填材料。
According to the research, the natural graded gravel is the best backfill material of graded crushed stone, grit, lime stabilized soil and rock chips.
其次，进行了陶粒粉煤灰混凝土、粘性土、风积砂、砂砾和石灰土等几种材料的台背回填离心模型试验。
Secondly, models with different backfill-material such as argil fly-ash concrete, soil, sand, grit and lime-stabilized soil were experimented.
针对公路工程中的桥涵结构物台背回填从材料选择、回填范围、回填顺序及回填工艺、质量控制等方面进行论述，并说明台背回填重要性。
This paper specified the material filling, range filling, sequence construct technique, and quality control on back - filling at abutment , and the importance of it.
为考核某实际背栓式微晶幕墙的抗震性能，将典型幕墙单元安装于试验钢框架上，进行模拟地震振动台试验。
Typical rear bolted micro crystal glass curtain wall specimen was installed on a steel frame, and its seismic performances were investigated via shaking table test.
桥涵的台背回填是一道至关重要的工序。
It is an important procedure of re-fill up at platform back in bridge opening.
通过分析，本文提出了地震条件下桥台台背主动土压力简化计算方法，计算结果表明了这一公式的合理性。
By analyses, a simplified calculation method of active earth pressure on back of abutment UN der earthquake condition has been put forward. Calculating results prove the reasonable of this method.
换言之，如果不说明的话，这台引擎甚至可能会被认为是一台自然吸气引擎，因为几乎不能让人察觉涡轮有在工作。低转速时没有太多的扭矩输出，同样的，高转速时也没有非常充裕的推背感。
Which is another way of saying that its effect is virtually unnoticeable - low down in the revs there's not much torque, but equally up high there's not an abundance of poke.
桥涵台背回填，由于其位置特殊，往往辗压不实，发生沉降是一种常见病害。
The fill back of the bridge and culvert, because of its especial position, has compressed not very close-grained sometimes. The sinking is a familiar disease.
之后，背著一的小型背包和一台照相机，他试图再做一次时光旅行，他没有做选择，如果可以的话，就能回到上次的时光。
Then , taking a small knapsack and a camera , he attempts to time travel again and never chooses , or is able , to return.
本文分析了桥头跳车产生的原因，介绍了赣定高速公路桥梁台背注浆加固处理桥头跳车问题的施工技术。
It analyzed the cause of jumping in the bridge abutment, and introduced the treatment technology of filling cement of reinforcement.
冲夯机适用于公路建造中台背处回填土砂石压实；
HCR Tamping rammer, is used to compact the gravel, sand in road construction;
初步证明，轻质土在冻土地基的隔热保温与台背填土的防冻胀方面效果比较明显。
It has been proven that this soil can bring about better results in the thermal insulation for frozen ground...
初步证明，轻质土在冻土地基的隔热保温与台背填土的防冻胀方面效果比较明显。
It has been proven that this soil can bring about better results in the thermal insulation for frozen ground base and fr...
初步证明，轻质土在冻土地基的隔热保温与台背填土的防冻胀方面效果比较明显。
It has been proven that this soil can bring about better results in the thermal insulation for frozen ground base and frozen heaving...
初步证明，轻质土在冻土地基的隔热保温与台背填土的防冻胀方面效果比较明显。
It has been proven that this soil can bring about better results in the thermal insulation for frozen ground base and frozen heaving...
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