名词
中文翻译：阀门更换
同义词：
['valve change', 'valve replacement']
例句：
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1.The old valve needs to be replaced with a new one.
旧阀门需要用新的来替换。
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2.The technicians are replacing the faulty valves.
技术人员正在更换故障的阀门。
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3.The valve replacement is expected to save us time and money.
阀门更换预计能节省我们时间和金钱。