名词
中文翻译：信号阻断箱
同义词：
['blocking box', 'blocking device']
例句：
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1.The engineer used a block signal box to isolate the faulty circuit.
工程师使用一个信号阻断箱来隔离故障电路。
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2.The technician had to block the signal box to prevent interference during testing.
技术人员不得不关闭信号盒以防止测试期间的干扰。
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3.The construction crew blocked the signal box to ensure safety during the installation process.
施工团队在安装过程中封锁了信号盒以确保安全。