名词
中文翻译：部分阀门
同义词：
['sub-valve', 'segmental valve']
例句：
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1.The section valve is designed to control the flow of oil in a pipeline.
部分阀门设计用来控制管道中油的流动。
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2.The engineer had to replace the section valve due to wear and tear.
工程师不得不更换这个部分阀门，因为它磨损严重。
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3. The section valve was responsible for isolating the faulty section of the pipeline from the rest of the system.
这个部分阀门负责隔离故障管道段与系统其余部分。