code值指密码
例句
1.
An error code will be displayed if any invalid information has been entered.
输入了无效信息将显示错误代码。
2.
In the event of the machine not operating correctly， an error code will appear.
如果机器运转不正常，就会出现错误代码。
3.
A special code is needed to override the time lock.
这定时锁要用特定密码才能打开。
