英语词汇power-operated relief valve怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	power-operated relief valve
释义	power-operated relief valve 简明释义动力操作释放阀网络释义短语 1 power operated relief valve 动力操作卸压阀双语例句 1 There are four types for PWR pressure-relieving devices: direct acting safety valve, pilot-operated pressure relief valve, power-operated pressure relief valve and safety valve with auxiliaries. PWR的压力释放装置主要有四种类型：直接作用式安全阀、先导操作压力释放阀、动力作用式压力释放阀和具有辅助装置的安全阀。
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