常見例句雙語(yǔ)例句The process for removing acid from Nanhai Crude using LES-1 extraction solvent is studied on LES extraction pilot plant.在LES萃取脫酸試驗(yàn)裝置上，用LES-1萃取劑對(duì)南海原油進(jìn)行了脫酸工藝研究。 返回 solvent-extraction plant