safety valve

安全阀,安全阀门,安全门,安检阀

Definitions

n.名词 noun

1
- : a device that, when actuated by a gas or vapor pressure above a predetermined level, opens and allows the gas or vapor to escape until its pressure is reduced to a pressure equal to or below that of the predetermined level.Compare relief valve.
- : a harmless outlet for emotion, tension, etc.

nounrelease for something at dangerous level

Synonyms

Coffee aficionados who monitor the temperature of their coffee drinks like the safety valve of a nuclear reactor will probably be happier with hot milk.
According to a company report, when water gushed into a drum holding hot coke — an oil byproduct — the reaction triggered a safety valve that relieved the pressure.
The field hospital was built, in part, as a safety valve for times like this.
A passing off-duty school safety officer named Fred Lucas said that he had been told the man was a drug dealer.
“This is the only place in the souk you can buy safety pins,” he said.
The accident rate in Asia has marred what was in 2014 a banner year for aviation safety.
Not for the benefit of the harasser, of course, but for your own safety.
There was virtually no government oversight of safety and operational standards.
To Berthier, if to any one, Bonaparte entrusted his secret designs, for he knew that he could do so in safety.
These residents then killed the parish priest, and without arms fled for safety to the mountain ravines.
Juan de Messa lost his head, and ran down stairs, thinking that his safety lay there.
In short, in a few minutes, he might have the safety of his father, and the preservation of Europe in his hand.
In that instant I felt fingers tighten on my arm, tighten till they bit into the flesh, and I was pulled back into safety.