preset mechanism

例句：

1. 1. The chef preset the temperature for the oven before cooking.
   厨师在烹饪前预设了烤箱的温度。
2. 2.The software was preset to automatically update when a new version was released.
   软件被预设为新版本发布时自动更新。
3. 3. The engineers had to preset the parameters for the new machine before it could be used.
   工程师们在新机器可以使用之前必须预设参数。