以下为句子列表:
英文: Butterfly or similar type valves should be installed in the line upstream and downstream of the automatic control valve to allow for maintenance service.
中文: 在自动控制阀的上游和下游应该安装蝶阀或类似的阀门,以便于进行维护维修。
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英文: Design of the WATTS Automatic Control Valve minimizes potential valve damage that can be caused by cavitation.
中文: 美国瓦茨自动控制阀的结构将可能导致空穴现象的阀门损坏潜在危险降低到最小程度。
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