Flanges may be made by sections; joints shall be beveled and field welded; bolt holes of two connecting flanges must be drilled together.
法兰允许按箱体分段制作固焊；接头处打坡口，工地拼接；法兰板连接孔须两两配钻制孔。
Its welded black metal screens visually delimit the space and maintain the full depth of field of the entire volume.
其黑色金属焊接的屏幕视觉上划定了空间，维护整个体块区域的景深。
Using experimental mechanical method of moire analysis, strain field distributions of LY12CZ aluminum alloy welded joints under different conditions were investigated.
采用云纹分析的试验力学方法，研究了不同情况下LY 12 CZ高强铝合金焊接接头应变场的分布特点。
The correct description of temperature field during welding processes for quick heating and cooling is prerequisite for analysis of stress-strain of welded joints.
焊件在快速加热和冷却过程中温度场的正确描述是焊后接头力学性能分析的前提条件。
WPES is a type of application software for design in the field of welding. The system can manage the WP files and design and compute the strength of welded joint in the steady load.
焊接工艺专家系统属于设计型的焊接领域应用软件，本弧焊工艺专家系统兼有焊接工艺文件的管理能力和焊接接头静载强度的设计计算能力。
In this paper, the creep compliance of Hot-plate welded joint of PE80 pipe is measured, and the effect of creep on the crack tip stress field in the weld is investigated.
本文测定了燃气用PE80管材热板焊接接头的蠕变柔量，研究了蠕变对焊缝裂尖应力场的影响。
Inside welding seam cracking of spiral submerged Arc welded pipe is the unsolved problem for many years in the pipe field.
螺旋埋弧焊钢管内焊缝裂纹是本行业多年未解决的问题。
It will produce magnetic field due to affection by direct current welding power supply during the welding of spiral submerged arc welded pipe. It will still remain residual magnetic.
螺旋埋弧焊钢管焊接过程中因直流焊接电源的影响会产生磁场，焊接结束后仍有剩磁存在。
The results show that transverse magnetic field can refine the primary crystallization structure by electromagnetic stirring and improve the ultimate strength and hardness of the welded joint.
结果表明，通过外加横向磁场对熔池进行搅拌，可以使焊缝晶粒得到细化，进而使其抗拉强度和硬度等力学性能得到改善；
The temperature field and residual stress field were obtained by using 3-D double-ellipsoidal heat source model to simulate welded process.
在模型中运用移动的三维双椭球体热源作为输入热源来模拟焊接过程，最终获得了焊接温度场和残余应力场。
The welding quality of field-welded girth joints of long-distance oil and gas transmission pipelines is the key to the quality and service life of pipelines.
油气长输管线现场环焊缝接头的焊接质量是决定管线质量、寿命的最根本要素。
The welding quality of field-welded girth joints of long-distance oil and gas transmission pipelines is the key to the quality and service life of pipelines.
油气长输管线现场环焊缝接头的焊接质量是决定管线质量、寿命的最根本要素。
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