third rail system造句
例句与造句
- Saitong focuses on developing , manufacturing and selling overhead contact line systems , traction substation equipments , third rail systems etc
公司主要设计、制造和销售铁路接触网系统、牵引变电所设备和城轨交通钢铝复合接触轨系统等。 - It's difficult to find third rail system in a sentence. 用third rail system造句挺难的