add lubricating oil造句

例句与造句

1. 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。
2. It's difficult to find add lubricating oil in a sentence. 用add lubricating oil造句挺难的