mixed acid的用法和樣例：
例句
- Mixed acid should be allowed to flow for 1 minute in order to flush the pipesand cooling system.
應讓混酸流一分鐘，以便沖洗管道和冷卻系統。 - This article introduces that using mixed acid of nitric acid and sulfuric acid, beet waste-slag produces industrial product oxalic acid by ordinary pressure hydrocarbonylation.
本文介紹利用硝硫混酸常壓氧化法，把甜菜廢渣制成工業(yè)品草酸。
