英语词汇“hard valve”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	hard valve
释义	hard valve 高真空电子管,硬性电子管
随便看	summation reflex summed evoked response summed intensity summed intensity or maximum projection summed leaf area summations summation scale summation sign summation steam flowmeeter summationsummatingpotential summation summating potential summation theorem summation time summation tone summation /totalizing current transformer summation transformer summation watt rating summation wave summed leaf weight summed probability summer- sum-mer summer acacia summer accumulation summer-active insects