scavenge oil的用法和樣例：
例句
- Glycerine is removed from the waste oil.
甘油是從廢油。 - Do you know that industrial waste oil can be recycled?
你知道嗎，工業廢油是可以回收再生的。 - Diameter of the suction and evaporating pipes should be decided by oil circulation and reconfirmation of gas speed.
吸氣管及蒸發器管徑，應考慮回油並再次確認流速后確定。
