Preoiler
预先加油器, 预润滑器
🗣️ 情景例句
Well, this unit here on display is a full scale assembly of our latest machine.
哦，这里所展示的这一部是本公司最新机器的全套设备。
Ouch! That hurts.
好痛呦！会受伤哩！
Yes, that's right. Good!
对，正确，很好！