管道中的

Professors expect and demand engagement and discussion and students will often pipe up with questions in the middle of a salient point.

教授期望和需求的参与和讨论，学生往往会在管道的一个突出问题中的问题了。

In this paper a kind of analytical calculation method is given of the seeking some angle joint line between two skew lines thereby a kind of exact and easy mathematical formula is supplied for the pipeline joint and link in the underground alley line in this kind of engineering.

给出一种求与异面两直线成定角的连线的解析算法，从而为此类工程中的管道连接。

Then, locate the selected joining method in the subheading of the table and go down the column to the value across from a particular pipe size, listed in the far left column.

然后，在表格中的小标题内找出所选连接方式所处位置，从特定的管道尺寸开始，沿着交叉参数值纵向栏往下找，直到栏的左下方。

Though induced trench method is used, in practice conventional methods of analyses can't forecast earth pressures on culvert perfectly. Saw, baled straw and so on have ever been used as compressible materials.

尽管拟沟法在实践中得到应用，但缺乏的是对拟沟法设计的系统研究，实践证实传统理论并不能很好地预测管道上的土压力。

BMW has been slightly tweaking its popular 3-Series models since it was introduced in 2005, with another freshening apparently in the pipeline.

宝马已略有改变其流行的3系列机型，因为它于2005年推出的，显然与另一保鲜中的管道。

A new robot used to pull wire rope through the sewer was put forward . It can improve the efficiency of palling wire rope through the sewer and the automation level of cleaning of sewer .

针对这种清淤方法穿缆效率低的缺点，提出了采用新型的排水管道穿缆机器人，可提高绞车清淤作业中的穿缆效率和自动化水平。

While travelling down the 27 km long LHC beam pipe at a speed close to the speed of light, each of the 2835 proton bunches leaves behind an electromagnetic wake-field which perturbs the succeeding bunches and can lead to beam loss.

当在27千米的LHC管道中以接近光速运行时，每一个质子群都会留下一个影响下一群粒子的电磁场。这可能会导致粒子束的丧失。

Based on an experimental exploration, an analytical framework is presented to allow theoretical calculations of vacuum conditions in the abrasive feed tube.

建立在大量实验的基础上，提出了磨料输送管道中压力梯度的理论分析方法，为将来的应用奠定了理论基础。

Study on the interaction between rarefaction wave and premixed propane-air flame In the research, the co-flow and counter-flow rarefaction wave were induced to intervene in the flame by different ignition scheme.

另外，管道中压力波的作用是Tulip火焰结构形成的重要原因。(2)研究了稀疏波对丙烷-空气预混火焰传播特性的影响。

These round aluminum louvers, sometimes referred to as vents, can be inserted into round heating ducts and are perfect in situations where heat loss is a factor.

这这种圆形的铝百叶，有时被称为通风孔，可以插入到圆形的供热管道中，非常适合存在热量损失问题的地方。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。