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修理
1、maintenance free───[化] 不需维修的
2、maintenance costs───维修费用；维护费用；维修费用，养护费用
3、performing arts───n.表演艺术
4、maintenance mode───维护模式
5、performing task───执行任务
6、performing artiste───表演艺术家
7、performing───adj.表演的；履行的；v.表演（perform的ing形式）；履行
8、maintenance───n.维护，维修；保持；生活费用
9、vehicle maintenance───汽车维护，车辆保养
1、What are the two safety procedures to be followed when performing maintenance or adjustments to the EZ-Grind Laser Profile System ?───进行廓型XiTong的维护和调整时，要先执行哪两项安全程序？
2、Assisting and performing maintenance measures and repairs if necessary and advised.───协助和采取设备维护措施，以及必要的维修。
3、Document how the application works for future support staff and people performing maintenance.───为将来的维护和客服人员撰写文档，解释清楚XiTong是怎么运行的。
4、DB2 9.7 has automatic maintenance capabilities that are used for automatically performing maintenance functions such as.───DB 2 9.7的自动维护功能用于自动地执行以下维护Cao作。
5、For example, you could bring a third repository online and then suspend one of the primary repositories prior to performing maintenance.───例如，您可以让第三个储存库上线，然后在执行维护之前暂停主储存库之一。
6、This protection is also beneficial for guarding against the many fluids that workers can come into contact with while they are performing maintenance on vehicles.───在（工作人员）维修汽车时，这种保护同样可以防止汽修工接触到许多（有害的化学）液体。
7、Prior to performing maintenance, verify the necessary system(s) have been de-energized, (ZERO ENERGY STATE).───在进行维修之前，保证必要的XiTong已断开电源，（零能源状态）。
1、Mention that it is required to put a laser safety curtain around the exposed laser access panels, when performing maintenance or service, if the laser system is not in it's own locked room.