【pressure_vacuum_breaker】什么意思_英语pressure_vacuum_breaker的翻译_音标_读音_用法_例句_在线翻译

pressure vacuum breaker 添加释义

压力

... 压力真空安全阀 PVSV Valve Pressure vacuum safety valve 压力-真空安全阀 pressure vacuum breaker 压力容器上的安全阀 pop valve ...

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短语

pressure and vacuum breaker 压力 ; 压力真空断路器 ; 压力真空切断阀

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abstract: A pressure vacuum breaker (PVB) is a type of backflow prevention device, used to keep non-potable (or contaminated) water from entering the water supply. A PVB is similar to an atmospheric vacuum breaker (AVB), except that the PVB contains a spring-loaded poppet.

以上来源于: WordNet

The gas pressure within vacuum interrupter has a direct effect upon the properties of vacuum circuit breaker.

真空灭弧室的内部气体压力直接影响真空断路器的性能。

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