单词	check valve
释义	check valve noun : a valve that permits flow in one direction only Example Sentences Recent Examples on the Web So far, the team has been working on replacing a faulty check valve on the rocket's upper stage that created a helium leak and repairing the source of a tail service mast hydrogen leak. Ashley Strickland, CNN, 5 May 2022 The issue engineers identified over the weekend is a malfunctioning helium check valve. Ashley Strickland, CNN, 14 Apr. 2022 Among the critical inspection points is the engine bleed air fifth stage check valve on some Boeing 737s. CNN, 12 Apr. 2021 The inlet check valve weld may fail, allowing the filling pipe to separate from the fuel tank. USA TODAY, 8 Apr. 2021 The inlet check valve weld may fail, allowing the filling pipe to separate from the fuel tank. Detroit Free Press, 8 Apr. 2021 These models have a piston that is actuated by the forend, forcing air into a cylinder fitted with a check valve that won’t let it out. Joseph Albanese, Field & Stream, 2 Mar. 2021 The fuel tank inlet check valve may not be fully welded to the fuel tank shell. USA TODAY, 11 Dec. 2020 The fuel tank inlet check valve may not be fully welded to the fuel tank shell. Detroit Free Press, 11 Dec. 2020 See More Word History First Known Use circa 1877, in the meaning defined above
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