单词	nonreturn valve
释义	nonreturn valve nonreturn valve n (Mechanical Engineering) another name for check valve nonreturn valve nonreturn valve [¦nän·ri′tərn ‚valv] (mechanical engineering) check valve nonreturn valve A combination check valve and globe valve used at the discharge of a high-pressure boiler. nonreturn valve Presentation of non-scanning radar as used in terrain avoidance radar. Aircraft maintains pre-set height and warning of obstructions which are at a pre-set slant range away is indicated as shown above.A valve that permits the full flow of fluid in one direction only. MedicalSeecheck valveThesaurusSeevalve
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