名词
中文翻译：隧道支撑
同义词：
['tunnel timbering', 'tunnel lining']
例句：
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1.The engineers were working on the trench timbering for the construction of a new highway.
工程师们正在为修建一条新高速公路而进行隧道支撑工作。
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2. The tunnel timbering was completed ahead of schedule, which greatly reduced the construction time.
隧道支撑提前完成，大大缩短了施工时间。
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3.Trench timbering is an essential part of the construction process, ensuring the stability and safety of the excavated area.
隧道支撑是施工过程中至关重要的一环，它确保了挖掘区域的稳定性和安全性。