名词短语
中文翻译：信号阻塞
同义词：
['信号阻断，信号干扰例句：1. The police blocked the road to prevent traffic congestion.（警察封锁了道路以防止交通拥堵。）']
例句：
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1. The police blocked the road to prevent traffic congestion.
警察封锁了道路以防止交通拥堵。
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2. The radio station was unable to broadcast due to a block signal.
电台因信号阻塞而无法广播。
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3.The engineer found a block signal in the circuit, causing the system to fail.
工程师在电路中发现了一个信号阻塞，导致系统失败。