spent pickling solution

• 酸洗废液

spent pickling solution的用法和样例：

例句

1. A process of removing impurity from pickling waste liquor had been developed.
   对酸洗废液除杂质的工艺方法进行了试验研究。
2. From the results, we speculated that the leakage of stainless steel pipe should be resulted from pitting by chloride which came from waste hydrochloride acid for pickling.
   由上述结果推测沼气输送管漏水主要原因为氯离子侵蚀所造成，其来源经追查为酸洗废液混入所导致。