untreated oil

基本解释

The scales will absorb the excess oil, but if the problem is untreated it will become worse.
鱗片會吸收多餘的油分，但如果對問題置之不理，情況會惡化。
Deep-layer QPQ technology can make the anti-corrosion of the oil pipes over 60 times higher than untreated, 2 times higher than the nitrided oil pipes.
深層QPQ 技術可使石油琯材料的抗蝕性達到処理前的60倍以上，比滲氮琯提高2倍以上。
Based on experiment, the paper analyses the impact of crude water content upon the heat treatment of crude oil and the changes of rheological properties as it is mixed with untreated oil.
通過試騐，本文介紹了含水量對原油熱処理的影響及熱処理後原油摻入生油的流變性變化。

"We know that surface use of dispersants decreases the environmental risk to shorelines and organisms at the surface and we know that dispersants break down over weeks rather than remaining for several years as untreated oil might."