U/B：钻孔下
“Under Bore”经常缩写成U/B，以便快捷书写、使用。
常见于综合领域，和建筑相关。
中文意思为：“钻孔下”。
Under Bore具体释义
- 英文缩写：U/B
- 英语全称： Under Bore
- 英语发音：
- 美式英语发音：
- 英式英语发音：
- 中文意思：钻孔下
- 中文拼音：zuān kǒng xià
- 常用领域：综合
- 相关：建筑
英文缩写词U/B的例句
- By rational designing and utilizing of the steel liners for the bored piles with varying cross sections in deep waters, the bearing capacity can be increased and the cost can be reduced. Erosion and siltation study for low sheet-pile groins under tidal bore
- 合理地设计和利用深水中的钻孔灌注桩护筒，采用变截面桩，可以提高基桩承载能力，降低造价。涌潮条件下排桩式低丁坝水力学冲淤试验研究
- In this paper, erosion and siltation performance of low sheet-pile groins with different water permeability under tidal bore is studied by means of movable-bed model, and mechanism of flat-maintenance and dyke-protection is discussed.
- 本文在水槽中用动床模型试验手段研究了涌潮条件下不同透水率的排桩式护塘低丁坝群的水力学冲淤特性，并探讨了低丁坝的护滩保塘机理。
- The acoustic interval time distribution law of the different types of rocks in Guantao Formation in Shengli Oilfield under the normal well bore conditions was investigated by using statistic analysis method.
- 应用统计分析的方法研究了井筒规则条件下胜利油田馆陶组各种岩性的声波时差分布规律，从岩石结构角度分析了馆陶组各种岩性速度变化的原因。
- Numerical Simulation and Dynamic Characteristics Research of Sheet-Pile Groin under the Impact of Bore Numerical simulation of bore against sheet-pile groin
- 涌潮冲击排桩式丁坝的数值模拟和动力性状研究
- This paper contains an accuracy comparison of the two algorithms under different observation vectors and any bore sight direction of the star tracker in the global area.
- 比较了两种算法在不同恒星数目下的计算精度以及在全天区范围内的计算精度；