炼油 Traditional 煉油 liàn yóu 🔊 to refine crude oil + Review this word Meanings liàn yóu 煉油 to refine crude oilto render animal fat Its characters 炼liànto refineHSK 7–9油yóuoilHSK 4 Words with 炼油 炼油厂 liàn yóu chǎng oil refinery