相关单词近义词 tube 管子, thermionic tube [物]热离子管..., thermionic vacuum tube 热离子真空管..., thermionic valve [物]热离子管..., vacuum tube 真空管临近词electronbeam, electron, electronie document, electroneutral pump, electronystagnogram, electron beam print, electron separation, electron accelrator, electron attachment, electronegative gas, electron equivalent, electron ray curing 返回 electron tube