英语词汇direct-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	direct-operated relief valve
释义	direct-operated relief valve 简明释义直接作用式安全阀网络释义 1 ?直接作用式安全阀 ... 直接作用式压力调节器：directaction pressure controller 直接作用式安全阀：direct-operated relief valve 直接作用的：direct-acting ... 短语 1 direct operated proportional relief valve 直动比例安全阀双语例句 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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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。