常見例句雙語(yǔ)例句Solvent naphtha is one of the five broad areas of petroleum products.溶劑油是五大類石油產(chǎn)品之一。This study was based on the existing production unit with hydrotreated naphtha and the C6-C7 fraction of the reformate as feedstocks and sulfolane as solvent.本文以現(xiàn)有生產(chǎn)裝置的物系為背景，以生產(chǎn)中進(jìn)抽提塔用的加氫汽油和重整汽油C6～C7 餾分為試驗(yàn)原料，及生產(chǎn)中用的環(huán)丁砜為溶劑。Various solvent naphtha fraction generally have to go through refining.各種溶劑油餾分一般都需要經(jīng)過(guò)精制加工。 返回 solvent naphtha