This article has introduced the use of flexible support in the construction of low clearance flyovers.
文章介绍了弹性支撑在低净空立交桥施工中的安装应用及注意事项。
2
To ensure the safety of navigation and bridge, it should be considered to calculate the minimum navigable clearance dimensions of bridge in bridge construction and channel construction.
合理地确定通航桥梁的最小净空宽度，保证船队航行和桥梁安全，是桥梁建设和航道建设均应重视的问题。
3
Objective To explore the effect of increasing the clearance of the respiratory passage secretion after construction of artificial airway.