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1. The automatic check valve prevents the flow of fluid back into the system when it senses a leak.
当自动检查阀检测到泄漏时，它会阻止流体返回系统。
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2. In this application, the automatic check valve is used to maintain a constant pressure in the pipeline.
在这个应用中，自动检查阀用于保持管道中的恒定压力。
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3. The automatic check valve is designed to operate efficiently and reliably under various operating conditions.
自动检查阀被设计成在各种操作条件下都能高效可靠地运行。