multi electrode tubemulti electrode valvemulti-electrode valvemultipolar tubemultitrode tube多极: multipolar; multipole; multi ...管: pipe; tube多极管变频器: multielectrode tube converter多极激光二极管: multi-electrode laser diode多极: [电学] multipolar; multipole; multiple-electrode◇多极场 [电磁] multipole fields; 多极磁铁 multipole magnet; 多极电机 multipolar dynamo [machine]; 多极发电机 multipolar generator; 多极世界 multipolar world; 多极性 multipolarity; 多极坐标 multipolar coordinates下载手机词典可随时随地查词查翻译