名词
中文翻译：四通插口阀
同义词：
['四通换向阀例句：1. The four-way plug valve is used to control the flow of oil in the engine.（四通插口阀用于控制发动机中油的流动。）']
例句：
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1. The four-way plug valve is used to control the flow of oil in the engine.
四通插口阀用于控制发动机中油的流动。
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2.The engineers had to replace the four-way plug valve due to its failure.
工程师们不得不更换这个四通插口阀，因为它已经失效了。
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3.The four-way plug valve was designed to improve the efficiency of the system.
这个四通插口阀的设计目的是为了提高系统的工作效率。