multielement vacuum tube

例句：

1. 1. The multi-element vacuum tube is a crucial component in the electronics industry.
   多元素真空管是电子工业中至关重要的组件。
2. 2.The new model of the multi-element vacuum tube has been launched.
   新款多元素真空管已经推出。
3. 3. Due to its high efficiency and long lifespan, the multi-element vacuum tube is widely used in various industries.
   由于其高效率和长寿命，多元素真空管在各个行业中得到广泛应用。