求翻译 a steel pipe is pushed down to stop the sides from falling in_英语解答

求翻译 a steel pipe is pushed down to stop the sides from falling in and to keep out water .

人气：260 ℃　时间：2019-10-19 20:18:31

解答

一个钢/管被插了下去,来防止两边（应该是墙还是什么的）塌陷并且防止水的浸入
如果还有什么问题可以找我~