英汉例句

• study on the leak rate of fluid in welded pipes in leak-before-break analysis;

  介绍了输气管道泄漏率的大孔模型和管道模型的特点及求解方程。

• the analyses given in the article cover the current development situations and consumptions of welded pipes and seamless steel pipes and the prospect of domestic industry of seamless steel tubes.

  介绍了我国焊接钢管和无缝钢管所处的发展阶段及消费使用状况；分析了我国无缝钢管的发展前景。

• the unfavorable effects of deformation magnitude and geometric dimensions on mechanical properties of welded pipes during welding can be eliminated through recrystallization.

  在焊管生产过程中，焊管本身的变形度、几何尺寸等对其机械性能会产生不利的影响，通过结晶的方法，可以消除这种影响。

• in the long pipeline, because the end surfaces of the welded pipes have the geometrical errors which induce the butt weld defects, the stress corrosion crack will occur.

  在长输管道生产中，由于焊管管端几何形状误差而引起的对接焊缝缺陷是造成应力腐蚀断裂的主要原因之一。

• a design and calculated method which transforms round welded pipes into rectangular welded pipes is introduced.

  介绍一种由圆形焊管变矩形焊管的设计及计算方法。

• the large dia. straight seam welded pipes are mainly used to transport oil, natural gas, coal pulp and other liquids.

  大直径直缝焊管主要用于石油、天然气、水煤浆及各种液体的管道输送。

• an introduction is made of the detecting method of the automatic and ultrasonic defect detection system for welded pipes and the major technological parameters of the probes used in china.

  介绍了国内焊管自动超声波探伤系统的探伤方法和探头的主要工艺参数，分析了国内焊管制管过程中超声波自动探伤系统耦合部分存在的问题。

• after welded pipes are treated by reducing tension mills known as 「welded pipe seamless process」. there are still some differences between welded pipe and seamless pipe in quality index.

  焊管经张力减径机处理后有人称之为「焊管无缝化」，这种焊管与无缝钢管在一些质量指标上仍存在差异。

• the article is a general review of the test and research work on fracture in relation to spiral welded pipes at home and abroad.

  文章综述了国内外有关螺旋焊缝管的断裂试验和研究工作的概况。

• the examples show that this method is simple, efficient and accurate for reliability safety assessment of the welded pipes with cracks.

  实际算例表明，该方法用于含缺陷焊接管道可靠性安全评定简单、有效、準确。