| 释义 |
py·ro·sul·fu·ric acid AHD[pī'rō-sŭl-fy‹rʹĭk] D.J.[ˌpaɪərəʊsʌlˈfjʊərɪk]K.K.[ˌpaɪrosʌlˈfjʊrɪk]n.（名词）- A heavy, oily, colorless to dark brown liquid, H2S 2O 7, produced by adding sulfur trioxide to concentrated sulfuric acid and used in petroleum refining and the manufacture of explosives. 焦硫酸：比重大，油状从无色到深褐色的液体H2S 2O 7，将三氧化硫加入浓缩硫酸而制成，用于提炼石油和炸药制造
|