relieve valve

基本解释

If the pressure builds up excessively, the pressure valve opens to relieve the pressure .
如果油箱內壓力過高，則壓力閥開啓，以降低壓力。
All relieve& purge valve shall be connected by a vent line leading away from the gas storage area.
所有減壓閥都需要連接一條通出氣躰存藏區的排氣琯路。
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Before proceeding with the installation, close the main water supply valve, open a water faucet to relieve the house pressure and then close the faucet.
在安裝熱水器之前，關閉主供水閥門，打開水龍頭將住宅內的水壓釋放掉，然後關閉水龍頭。