add lubricating oil meaning in English
加润滑油
Examples
- The device should be in the shut - down if the valve - board is placed longer . driving parts should add lubricated oil . placing in the open air and piling up is not permitted
若长期存放应使设备处于关闭状态，各传动部位应加润滑油，不允许露天存放或堆置。