check valveの例文

例文

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1. It would get so hot that it would melt the check valve,
2. A check valve allows flow in only one direction and prevents back-flow.
3. Should the vehicle overturn, check valves automatically close to further prevent spillage.
4. The internal check valves may be flapper type or spring-loaded balls.
5. Mechanical check valves require too much pressure to function properly in this application.