safety valves

基本解释

That is because it constrains one of the biggest safety valves in America's economy: people's ability to move.
因爲它關閉了美國經濟的一個最重要的保險閥門：公衆的流動性。
To shut down a reactor, safety valves are opened to release the steam and water is used to then to cool down the reactor core.
關閉核反應堆時，需要打開安全閥門釋放蒸氣，然後用水冷卻堆心。
There were 100 identical safety valves which were checked.
他們檢查了100個完全相同的閥門。

"This was one of their safety valves to weed out police calls, " says Jerry.
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Without the safety valves of emigration to Europe, which is getting harder, and families' willingness to support those out of work, Morocco would look far less stable.
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Scared as I watch the impending train wreck of a global economy that is being recklessly driven toward a fiscal and monetary cliff by its political masters—safety valves welded shut, fuel being poured on the fire, desperately trying to outrun a disaster of their own making.
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A safety valve is a device which allows liquids or gases to escape from a machine when the pressure inside it becomes too great.
A safety valve is something that allows you to release strong feelings without hurting yourself or others.

安全閥
Safety valve is the protection against overpressure device of compressive equipment, its reliable operation plays an important role for the modern enterprise.
安全閥是承壓設備的超壓保護裝置,它的可靠工作對現代企業的安全運行起著至關重要的作用。
化學
安全閥
The failure probability of the safety valve’s spring is calculated.
安全閥彈簧失傚概率計算。
動力與電氣工程
安全線