名词
中文翻译：Unknown
同义词：
['overlapping valve', 'overlapping spool valve', 'overlapping disc valve例句：1. The underlapped valve in the pump is causing a problem.（泵中的重叠式阀门造成了问题。）']
例句：
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1. The underlapped valve in the pump is causing a problem.
泵中的重叠式阀门造成了问题。
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2.The engineer had to replace the underlapped valve with a new one.
工程师不得不用一个新的重叠式阀门来替换旧的。
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3. The underlapped valve was causing a leak in the pipeline.
重叠式阀门在管道中造成了泄漏。