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1.The tunnel warning installation is crucial for ensuring the safety of workers in construction sites.
隧道预警安装对于确保建筑工地工人的安全至关重要。
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2.The engineers carefully installed the tunnel warning installation to prevent accidents during construction.
工程师们仔细安装了隧道预警安装，以防止施工过程中发生事故。
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3.The tunnel warning installation has been proven to be effective in reducing the risk of underground mining accidents.
隧道预警安装已被证明在减少地下采矿事故风险方面是有效的。