single-phase electricfurnace

例句：

1. 1.The new single-phase electric furnace has greatly improved the efficiency of our production line.
   新型单相电炉大大提高了我们生产线的效率。
2. 2. The engineer designed a single-phase electric furnace to meet the needs of the new project.
   工程师设计了一个单相电炉以满足新项目的需求。
3. 3.The single-phase electric furnace is widely used in various industries due to its high efficiency and low energy consumption.
   由于其高效率和低能耗，单相电炉在各行业中得到了广泛应用。