snap-action

英 [s'næp'ækʃn] 美 [s'næp'ækʃn]

• 快速； 瞬间作用

snap-action的用法和样例：

例句

1. Each, on closer inspection, argues against rushing to action.
   每一个问题细究起来，都和快速采取行动背道而驰。
2. For snap action, the main valve opens rapidly at set pressure and achieves rated relieving capacity at relieving pressure.
   对于快动式先导器，主阀门在达到设定压力时快速打开并且在泄放压力时达到额定排放量。