用“tubes”造句大全，tubes造句
Insemiconductorreceiverstransistorstaketheplaceofvacuumtubes.Manytinytubesconnecteachsilkglandwithaspinneret.Thefivecolouredtubesarecutthroughthebuildingatdifferentangles,breakinguptheregimentedfloorp...
用“vacuum tubes”造句大全，vacuum tubes造句
diode(evacuumtubes)Transistorstaketheplaceofvacuumtubesinsemiconductorradios.Thesevacuumtubeswillseeuseintheoutputstage.ConclusionClinicalnursesshouldcarefullyselectvacuumtubes,selectionofinappropriat...