名词
中文翻译：淬火钢轨
同义词：
['quenched steel rail', 'quenched rail']
例句：
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1.The engineer inspected the quenched rails before installing them on the bridge.
工程师在安装桥上的淬火钢轨之前进行了检查。
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2.The quenched rails are used in high-speed trains to improve their stability and speed.
淬火钢轨用于高速列车，以增强其稳定性和速度。
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3. The quenched rails were designed to withstand heavy loads and resist wear and tear.
淬火钢轨被设计成能够承受重载并抵抗磨损。