pentode读音_例句
pentode 朗读
pentode
音标：pentəʊd
pentode翻译
pentode双语用法和例句
相关单词
planchet proteinoid pappi pail prizewinning pantskirt palaeoclimatology prerequisite portable projector positional perceivably penicillium postmortem pansophism pucras proliferation parallelity potentiality paragrapher