double commutator type machine

例句：

1. 1. This double commutator type machine is used for high-speed rotation of heavy materials.
   这种双换向器型电机用于重物料的高速旋转。
2. 2. The double commutator type machine is a crucial component in the manufacturing process.
   双换向器型电机是生产过程中的关键部件。
3. 3. The double commutator type machine has been widely used in various industrial applications.
   双换向器型电机在各种工业应用中得到了广泛应用。