球形逆止阀能够允许液体单向通过，防止回流，适用于提升阀不是用的应用条件。
Ball check valves allow free flow in only one direction, prevent backflow, and are for applications where poppet style valves may not be suitable.
球形逆止阀能够允许液体单向通过，防止回流，适用于提升阀不是用的应用条件。
Ball check valves allow free flow in only one direction, prevent backflow, and are for applications where poppet style valves may not be suitable.
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