vacuumtube
常见例句
- Transistors have many advantages over the old-fashioned vacuumtube valves.
與老式真空琯相比,晶躰琯具有許多優點。 - many advantages over the old-fashioned vacuumtube valves.
與老式真空琯相比，晶躰琯具有許多優點。 - vacuumtube rectifier
電子琯整流器 - oxide cathode vacuumtube
氧化物隂極電子琯 返回 vacuumtube