“beam tetrode”的概念、定义、翻译、参考文献-科学参考

单词	beam tetrode
释义	beam tetrode [`bēm `te´trōd] See <<beam power tube>>
随便看	hackle hackling hackly fracture hackmanite hackmarack hacksaw hack watch hadal Hadamard's conjecture Hadamard's inequality Hadamard's three-circle theorem Hadar haddock hade Hadfield manganese steel Hadley cell Hadromerina hadromycosis hadron hadron era hadronic atom hadrosaur Hadsel mill Haeckel's law haematodocha

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