Skilled in the repair and maintenance of refrigeration systems and cold rooms.

精通冷冻系统和冷藏室的维修和保养工作。

youdao

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。

youdao

Nowadays in colleges and universities there are some problems in the management, maintenance, and utilization to the computer rooms.

目前高校在机房管理、维护、使用上普遍存在一些问题。

youdao

According to a Los Angeles deputy district attorney, Yi committed fraud between 2000 and 2003, when his Natural Building Maintenance painted dorm rooms at UCLA and provided janitorial services at the Rose Bowl, claiming the work had been done by 18 employees when, in fact, it was the labor of at least 300.

FORBES: Workers' Con