maintenance department造句

1、Later, the maintenance department was notified by the client for some enhancements.
后来，维修部是由客户端通知了一些改进。

2、The maintenance department is responsible for the general upkeep of the park.
维护部负责公园的一般养护。

3、Our maintenance department has stated that our seamer bearing life has improve dramatically.
我们的维修部门申明我们缝纫机齿轮的寿命有显著的改进。