Primary flange rating is class 600 or lower 主法兰等级为600级或以下。
2.
Welding necks for glass lined vessels ; form h main flanges for clamp screw connections ; dimensions 搪瓷容器的焊接颈.夹紧螺纹接头的h形主法兰.尺寸
3.
Conclusion the mathematical model and the numerical method presented in this paper can simulate the main phenomenon observed in the related experiments 结论本文给出的数学模型和数值主法能够较好地模拟有关实验所观测到的主要现象。
