| 词汇 | safety valve |
| 类别 | 英译汉、汉译英、英语例句词典 |
| 释义 | safety valvesafety valvessafety valveˈsafety valve noun [countable]1something that prevents a dangerous situation developing2a part of a machine that allows gas, steam etc to be let out when the pressure is too high |
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