名词
中文翻译：检查阀球弹簧
同义词：
['检查阀弹簧，检查阀球垫圈，检查阀球']
例句：
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1.The check valve is used to prevent the flow of gas in a system.
检查阀用于防止系统中气体的流动。
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2. The check valve is essential for maintaining the integrity of the pipeline.
检查阀对于保持管道完整性至关重要。
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3.The check valve was designed to ensure that only one side of the pipe was open at a time.
检查阀被设计成确保管道的一侧始终是开放的。