escape-valve

英[ɪs'keɪpv'ælv] 美[ɪs'keɪpv'ælv]
  • n.放出阀;保险
  • escape v.逃跑;逃脱;逃避;被忘掉;泄露;去度假n.逃跑;逃脱;逃避;泄露;度假;[计算机]退出键
  • passage n.通过;通道;走廊;(文章等的)段落;(时间的)消逝
名词 escape valve:
  1. 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