| 单词 | relief valve |
| 释义 | relief valve (once / 203782 pages) n WORD FAMILY relief valve: relief valves USAGE EXAMPLESA plant’s protective system is like a pressure relief valve in a steam engine. Seattle Times(Nov 17, 2016) And in this case, it was a relief valve on the pressure cooker that is the Arab street. New York Times(Aug 23, 2016) And while export markets have historically provided a relief valve for surplus fuel, this glut isn’t confined to the U.S. Wall Street Journal(Jul 23, 2016) n a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level Syn|Hyper escape, escape cock, escape valve, safety valve regulator any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. valvecontrol consisting of a mechanical device for controlling the flow of a fluid |
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