“真空管”怎么读？

在半导体收音机中晶体管代替了真空管.In semiconductor receivers transistors take the place of vacuum tubes.与老式真空管相比,晶体管具有许多优点.Transistors have many advantages over the old - fashioned vacuumtube valves.真空管或显影管都未破碎.No vacuum or picture tube...

“真空管”的英语可以翻译为：vacuum tube，vacuum valve，valve，electron tube ...