电机、机箱每年清洗一次，定时器2年加油一次，确保机件的使用寿命，不使用时加防尘罩。
To clean motor, box every year, and refuel the timer every 2 years, ensure the machine service life and with dust-proof covers when out of use.
本实用新型公开了一种防尘单元组件的磁性锁位装置，涉及一种通信设备机箱中防尘单元组件的锁位装置。
The utility model discloses a magnetic capturing device for the dustproof unit components and relates to a capturing device for the dustproof unit components in the communication equipment cabinet.
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