All photocopying machines need careful usage, and regular cleaning and maintenance.

所有照像复制机都需要小心使用 、 定期擦洗和维修.

辞典例句

MaintenanceSwitch off the unit prior to all cleaning and maintenance work and before replacing components.

维护交换单位在所有清洁和维护之前和在替换组分之前.

互联网

In the cleaning and maintenance of the former post charger plugs from the power outlet draw.

在清洁和维护前请先将充电器插头从电源插座里拔出.

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