通航净空
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航道净空
opening to navigation clearance 轨道
·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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