双重壁管弯曲，以保护跨管间距。
本实用新型给出的是一种可以调节人体与阅读文件间距和高度及对眼睛有保护作用的多功能保健阅读架。
The utility model relates to a multifunction health reading rack, which can regulate the distance and the height between human bodies and reading files and have the protective action for eyes.
介绍了在采用液化石油气低温常压储存方案时，对低温储罐及其基础、保护系统和储罐的布置、间距及防火堤的设计要求。
Introduces the design requirements on low pressure storage tank and its foundation, protective system, layout, space and fire dike of the tank...
本文通过22根钢筋混凝土受弯构件的试验，探讨了混凝土保护层厚度对裂缝间距和裂缝宽度的影响。
In this paper, according to the experimental results of 22 beams, we probe into the influence of concrete cover thickness on crack width and crack spacing.
利用有限元软件ANSYS建立考虑箍筋间距、直径变化的钢筋混凝土构件锈胀裂分析模型，研究箍筋对纵筋锈蚀导致钢筋混凝土构件保护层胀裂的影响。
Considering the change of the spacing and diameter of stirrups, a corrosion-induced cracking module for concrete members is built by ANSYS.
在组网安装时，应注意各个保护器的间距不超过15米。
During the network installation, attention shall be paid to that the interval space among protectors shall not exceed 15m.
此外，分析了钢筋直径、钢筋间距和保护层厚度对保护层破坏模式的影响。
In addition, the influences of the diameter and spacing of reinforcing steel bars and the thickness of covers on the failure modes of the concrete covers were evaluated.
此外，分析了钢筋直径、钢筋间距和保护层厚度对保护层破坏模式的影响。
In addition, the influences of the diameter and spacing of reinforcing steel bars and the thickness of covers on the failure modes of the concrete covers were evaluated.
应用推荐