repairs and maintenance造句

1、There is a backlog of repairs and maintenance in schools.
学校里有积压下来等待处理的维修和养护工作。

2、Report repairs and maintenance problems to supervisor.
向主管汇报维修和保养问题。

3、Attends to all work requests and repairs and maintenance works.
处理所有工作请求和检修工作。