single-phase industrial frequency AC electric traction system

例句：

1. 1. This new model of tractor has a single-phase industrial frequency AC electric traction system, which can greatly improve the efficiency of farmland cultivation.
   这款新型拖拉机采用了单相工业频率交流牵引系统，大大提高了农田耕作的效率。
2. 2. The design of this tractor is based on the latest research results of single-phase industrial frequencyAC electric traction system, aiming to provide farmers with more convenient and efficient agricultural machinery.
   这款拖拉机的设计基于单相工业频率交流牵引系统的最新研究成果，旨在为农民提供更便捷、高效的农业机械。
3. 3. The single-phase industrial frequency AC electric traction system in this tractor is not only energy-efficient but also environmentally friendly, making it an ideal choice for small and medium-sized farms.
   这款拖拉机中的单相工业频率交流牵引系统不仅节能而且环保，是中小型农场的理想选择。