例句與造句

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
   若長(zhǎng)期存放應(yīng)使設(shè)備處于關(guān)閉狀態(tài)，各傳動(dòng)部位應(yīng)加潤(rùn)滑油，不允許露天存放或堆置。
2. It's difficult to find add lubricating oil in a sentence. 用add lubricating oil造句挺難的