vacuum tubes造句
diode(evacuumtubes)Transistorstaketheplaceofvacuumtubesinsemiconductorradios.Thesevacuumtubeswillseeuseintheoutputstage.ConclusionClinicalnursesshouldcarefullyselectvacuumtubes,selectionofinappropriat...
相关tubes的文学知识
tubes造句
Insemiconductorreceiverstransistorstaketheplaceofvacuumtubes.Manytinytubesconnecteachsilkglandwithaspinneret.Thefivecolouredtubesarecutthroughthebuildingatdifferentangles,breakinguptheregimentedfloorp...