tunnel construction clearance 隧道建筑界限 ; 隧道建筑限界
railway construction clearance 铁路建筑限界
fundamental construction clearance 基本建筑限界
bridge construction clearance 桥梁建筑限界
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。
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。
Objective To explore the effect of increasing the clearance of the respiratory passage secretion after construction of artificial airway.
目的探讨人工气道建立后气道不同钠负荷对呼吸道分泌物清除的影响。
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