单词 | escape cock |
释义 | escape cock (extremely rare) n WORD FAMILY escape cock 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 valve, relief 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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