snap-action的用法和樣例：
例句
- Each, on closer inspection, argues against rushing to action.
每一個(gè)問(wèn)題細究起來(lái)，都和快速采取行動(dòng)背道而馳。 - For snap action, the main valve opens rapidly at set pressure and achieves rated relieving capacity at relieving pressure.
對于快動(dòng)式先導器，主閥門(mén)在達到設定壓力時(shí)快速打開(kāi)并且在泄放壓力時(shí)達到額定排放量。
