Formolite reaction
[化] (油品测试的)硫酸甲醛反应
🧩 词语组成解析
硫酸甲醛
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
Skill and confidence are an unconquered army.
技能和信心是不可克服的军队。
On which ones?
哪几个品目呢，