coplanar grid tube共面: coplane; interface双: two; twin; both; dual栅: railings; paling; palisade; ...管: pipe; tube双栅管: bigrid valve; double grid tube; double-grid tube; dual grid tube; dual-grid tube; space charge tetrode下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:共面双栅管,即可在微信中查询翻译