轴肩或轴环必须与（）等配合使用才能对轮毂作轴向固定。 键。 锁紧套。 轴套。 锁紧螺母。
加速绝缘材料老化的主要原因是使用的（）。 电压过高。 电流过大。 温度过高。
Which IBM resource is a Web-based data repository for tested and supported hardware， applications， and middleware for System x and BladeCenter？ （） IBM Sizing Guides。 Configuration & Options Guide COG。 Standalone Solutions Configuration Tool （SSCT）。 IBM ServerProve。
What does the minimize load database parameter mean when backing up a database?（） RMAN will attempt to make the backup run as fast as possible without any IO limitations. 。 RMAN will automatically restrict the number of channels in use to one. 。 RMAN will spread the backup IO over the total duration stated in the backup command.。 RMAN will skip any datafile that currently is involved in an IO operation. RMAN will retry backing up the datafile later and an error will be raised at the end of the backup if the datafile cannot be backed up. 。 Datafiles will be backed up; those having the lowest current number of IO operations will be backed up first.&e。
客户关系管理三个阶段的顺序是（） 加强关系，建立关系，维持关系。 建立关系，维持关系，加强关系。 建立关系，加强关系，维持关系。 维持关系，建立关系，加强关系。
What is the name of the User Interface （UI） widget that is just a standard edit box that is linked to a calendar with the pop-up property set？（）
