常見例句The testing methods for total nitrogen and the denitrogenation technologies such as acid refining,solvent refining were also reviewed. 綜述了酸精制、溶劑精制等脫除石油產(chǎn)品中氮及各種總氮的測(cè)定方法。According to practical production, some related work of remaking sealing components of import suphuric acid refine device are introduced. 從生產(chǎn)實(shí)際出發(fā),介紹了國(guó)外引進(jìn)硫酸精制裝置玻璃管路密封件國(guó)產(chǎn)化改造的相關(guān)工作.The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced. 介紹了引進(jìn)硫酸精制裝置中玻璃管路密封件以及高壓柱塞泵密封結(jié)構(gòu)的改造。He gave me a taste of his acid wit. 他讓我嘗到了他敏銳尖刻之機(jī)智的滋味。Acid irritates the stomach lining. 酸能刺激胃黏膜。Acid had pitted the surface of the silver. 酸把銀器的表面腐蝕了。 返回 acid-refined