When the pressure to a safe value, the pressure relief valve closes automatically.
当压力恢复到安全值时，泄压阀自动关闭。
As a pressure relief valve, it can maintain the water pressure in the set way below the safe value;
作泄压阀用时，可维持供水路压力在设定的安全值之下；
And that's a pretty safe change, since it involves merely modifying a String value.
而且那是非常安全的更改，因为它只要修改string值。
Being stable, safe and reliable, the system has high practical value and accessed practical use.
系统运行稳定、安全、可靠，具有较高的实际应用价值。
The fulfillment proves that the project is safe and economic, has the certain reference value.
实践证明该方案安全、经济，具有一定的借鉴价值。
He locked the articles of value into the safe.
他把贵重的物品锁在保险箱里。
He locked the articles of value into the safe.
他把贵重的物品锁在保险箱里。
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