炼油厂 Traditional 煉油廠 liàn yóu chǎng 🔊 oil refinery + Review this word Meanings liàn yóu chǎng 煉油廠 oil refinery Its characters 炼liànto refineHSK 7–9油yóuoilHSK 4厂chǎngfactoryHSK 4