automatic switching system造句

例句与造句

1. Trainer for trouble shooting of pump s automatic switching system
   泵浦自动切换系统故障诊断与排除训练器
2. Private automatic switching system
   私用自动交换系统
3. Automatic switching system
   自动操作装置
4. It's difficult to find automatic switching system in a sentence. 用automatic switching system造句挺难的