beam penetration cathode ray tube 电子束穿透式电子束管
beam-penetration CRT 电子束透入式阴极射线管
beam-penetration color display 电子束穿透型彩色显示器
laser beam penetration welding 激光深熔焊
beam penetration cathoderay tube 电子束穿透式阴极射线管
The border of laser beam penetration welding seam is simulated by the constructed heat source model and compared with the experimental results.
应用所建立的热源模型模拟分析了激光深熔焊焊缝边界形状，并与实验结果进行了比较。
Porosity is apt to occur in deep penetration laser beam welding, which has severe influence on the mechanical properties of laser welded joint.
针对激光深熔焊过程中易出现的气孔问题，作者提出光束摆动激光焊接减小气孔倾向的工艺。
The key points are the influences of M2 parameter to the beam behavior and Kf parameter to welding quality in laser deep penetration welding.
其中重点讨论了M2参数对焊接中光束行为的影响以及光束聚焦特征参数对深熔焊接工艺参数和焊缝质量的影响。
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