maximum duration造句

1、If you do register, which is free, the maximum duration is extended to 15 minutes.
如果你做的注册，这是免费的，最长期限延长至15分钟。

2、Maximum duration for a handset shorts may not exceed 5 minutes.
手机短片时长不得超过5分钟。

3、The maximum duration of each insured trip is 90 days.
每次旅行的保障期限最长为90天。