1. 交换：DUAL 双的 | SWITCH OVER交换 | PRE-COOLER预冷机

2. switch over的意思

2. 转变：switch on 接通 | switch over 转变 | switch to 切换到

3. 切换：Storage 存储 | Switch over 切换 | Tariff 费率,资费

4. 转换：switch board room 配电房 | switch over 转换 | switch panel 开关盘,开关板

1. 换台;换频道
    If you switch over when you are watching television, you change to another channel.

    e.g. I just happened to switch over although I haven''t been watching the Olympics...
           我并没有一直在看奥运会，当时只是恰好换到这个频道。
    e.g. Let''s switch over to Channel 4.
           换到 4 频道吧。

2. -> see switch 2

1. change over, change around, as to a new order or sequence

    Synonym: switchexchange