名词短语
中文翻译：桥梁和隧道的主要修复
同义词：
['主要维修，主要修复例句：1. The major repair of the bridge and tunnel is expected to be completed within six months.（预计桥梁和隧道的主要修复工作将在六个月内完成。）']
例句：
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1. The major repair of the bridge and tunnel is expected to be completed within six months.
预计桥梁和隧道的主要修复工作将在六个月内完成。
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2.The project involves major repairs to the bridge and tunnel system.
该项目涉及对桥梁和隧道系统的大规模修复。
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3.The safety of the bridge and tunnel is critical during this major repair period.
在这次主要修复期间，桥梁和隧道的安全至关重要。