相关单词近义词 lamp 灯, electron tube 真空管, 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...临近词vacuum up, vacuum, vacuumdesicator, Vacuum activity, vacuum pressing, vacuum-system, vacuum refining, vacuum drilling, vacuum sparking, vacuum-packed, vacuum pan salt, vacuum compound 返回 vacuum tube