名词
中文翻译：枕木同义词
同义词：
['sleeper', 'sleeper block', 'sleeper beam']
例句：
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1. The railway line is equipped with a large number of sleepers to support the weight of the trains.
铁路线配备了大量枕木来支撑火车的重量。
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2. The engineer carefully placed the sleepers in the tunnel to ensure stability.
工程师小心翼翼地将枕木放入隧道中以确保稳定。
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3. The construction crew was working on installing new sleepers to improve the railway's safety.
施工队正在安装新的枕木，以提高铁路的安全性。