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- In addition, because of the large pipe diameter, more bore expanding levels are needed, and it interferes with stratum by impact. 加之穿越管径大，扩孔级数较多，对地层的冲击扰动较大，增加了塌孔的可能性，施工难度很大。
- large pipe diameter 大管径
- A fitted covering used to seal a well or large pipe. 封闭盖用以封闭井或大管子的盖子
- You can choose Pipe diameter and Form as below. 您可以选择探头直径和外型如下图所示.
- It can be removed by simply unscrewing with a large pipe wrench. 只需用一把较大的管道扳钳旋下螺纹就可以拆卸底部塞弹簧总成。
- The obvious way to determine valve size is to match the pipe diameter. 决定阀门通径常用的方法是使其与管道直径相配。
- According to field experiments, slug flow parameters depend on pipe diameter, velocity and viscosity of gas or liquid phase and so on. 现场实践表明,段塞长度不仅与管径有关,而且还与气液相速度和气液相粘度等有关。
- The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed. 文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
- When the pipe diameter ratio varies a little，the local resistance loss of sudden contraction changes insignificantly. 存在一个最佳弯径比，使得水平弯管的局部阻力损失最小。
- This was, undoubtedly, the harbormaster-a short man with cropped white hair, smoking a large pipe and wearing a blazer with brass buttons. 勿容置疑，这定是港务长。他身材矮小，满头银发，口衔大烟斗，身穿铜扣运动夹克。
- Brush or dauber type cement and primer applicators - select a size no less than 1/2 the pipe diameter (see chart below). 刷子或涂抹类型粘固剂和底漆的涂敷工具-选择尺寸不小于管道半径的工具（请参阅下表）。
- The author describes the function, type and components of this system, as well as the calculations of pipe diameter of the system. 本文重点介绍了透气系统的功能、型式和组成,并详细阐述了系统中管路管径的计算顺序和方法;
- Scaffolding is now used for large pipe, and all kinds of construction machinery. 现求大量二手脚手架钢管，及各种建筑机械。
- Free falling heavy rammer was used in former piling constructions, but the piling depth and pile pipe diameter were comparatively small. 在以往的施工中采用重锤下落打桩，打桩的深度和桩管的直径都比较小。
- From the plant the treated water flows out as effluent,which may be pure water, in a large pipe called the Outfall to a river or the sea or to farms. 排出水指从污水处理厂排出的水，经过处理也许会成为洁净水。它流人叫做排放管的巨大管道而排放入河流，海洋或农田里。
- The function of waste water management module is to mange every information of the pipe net and export kinds of special maps(according to water target, flux and pipe diameter). 污水管理模块主要是用来管理污水管网的的各种信息和各种专题图的输出(按水质各指标、按流量、管径等)；
- From the plant the treated water flows out as effluent,which may be pure water, in a large pipe called...e Outfall to a river or the sea or to farms. 排出水指从污水处理厂排出的水，经过处理也许会成为洁净水。它流人叫做排放管的巨大管道而排放入河流，海洋或农田里。
- In this bode, onsite welding and deformation control of the large pipe and barrel structures have been deeply analyzed,which is very useful for theory and practice. 本文重点对大型管、简构件的现场焊接及变形控制做了深入的分析和探讨，具有较强的理论意义和实际应用推广价值。
- For water to flow out more easily ,it is necessary to use a larger pipe here . 为使水畅流，这里需采用一根较粗的管子。
- Practice shows that mixing of steel fiber can improve the concrete ductility of large pipe pile and reduce the brittle damage to large pipe pile due to hamming. 实践证明,掺入钢纤维,可以提高大管桩结构混凝土的延展性,减少锤击大管桩结构的脆性破坏。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
