threephase electric-drive

例句：

1. 1. The three-phase electric-drive system is crucial for the operation of large industrial machines.
   三相电力驱动系统对于大型工业机器的运行至关重要。
2. 2.The three-phase electric-drive technology has greatly improved the efficiency of our manufacturing process.
   三相电力驱动技术大大提高了我们的制造过程的效率。
3. 3.The three-phase electric-drive system is widely used in various industries due to its high reliability and energy efficiency.
   由于其高可靠性和能源效率，三相电力驱动系统在各个行业中得到了广泛应用。