switching over
短语词组
- switching -over of train 列车转线
- capacitor switching -over 电容器切换
- Switching -over valve 切换阀门
- quick acting switching -over 快速转接
- optimum switching -over time 最佳切换时间
- quick - acting switching-over 速动转接
- over switching over 切换 返回 switching over