SIT: An air conditioning unit for rooms containing essential electrical equipment was found degraded due to inadequate maintenance and testing practices.
安装有（安全）重要设备的厂房空调因维修和试验不充分被发现（功能）降级。
The essential components of a profitable geriatric mobile unit are described, including education, equipment, marketing research and development, and human resource management.
的基本组成部分有利可图的老年手机部门介绍，包括教育，设备，市场营销研究和开发，人力资源管理。
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