常見例句雙語例句Results:In the esterification step, fuming sulfuric acid was used;結(jié)果:酯化時使用發(fā)煙硫酸;Baesd on theoretical analysis and test, the reason that nitrogen tetroxide has been measured in- accurately in red fuming nitric acid as missile propellant is found out.在理論分析和試驗的基礎(chǔ)上,找出了導(dǎo)彈推進(jìn)劑紅煙硝酸主含量四氧化二氮一直測量不準(zhǔn)的原因;According to the trait of rocket propellant a kind of protective gloves made of composite fluorine rubber is developed which can be used to protect the skin of red fuming nitric acid worker.針對火箭推進(jìn)劑作業(yè)的特點,研制了一種以復(fù)合氟橡膠為主體材料的防護(hù)手套,可用于紅煙硝酸作業(yè)人員的皮膚防護(hù)。 返回 fuming acid