由于油价下跌，加油站宣布对燃油价格进行回调。

The gas station announced ___rollbacks on fuel prices due to the drop in oil costs.

由于用户强烈反对，公司不得不撤销了软件界面的更新。

Due to strong user backlash, the company had to implement a ___rollback of the software interface update.

系统崩溃后，管理员执行了数据回滚操作。

The administrator performed a ___rollback after the system crash.