- change over
 - 对换,对调位置;改变成;转接
 
参考例子
           - 1.She wanted to change over from gas to electricity for her cooking.
 - 她想把用煤气改为用电来做饭。
 
- 2.The process is a real process that will change over time.
 - 这个过程是一个真正的将随时间改变的过程。
 
- 3.Figure in bracket refers to percentage change over preceding year.
 - 括号内的数字指与去年比较的变动百分率。
 
英文解释
           - n.
 - 1.an event that results in a transformation
 - 2.make a shift in or exchange of
 - 3.change from one system to another or to a new plan or policy
 
网络释义
               - change over
 - 改变成; 转接; 交互通话; 转换,切换;
 
- change-over shutter
 - 转换快门;
 
- change-over point
 - 转换点; 转换点 交通;
 
- engine change-over
 - 发动机转换开关;
 
- change-over mechanism
 - 换算机构; 变换机构;