waste liquid of pickling的用法和樣例：
例句
- A process of removing impurity from pickling waste liquor had been developed.
對酸洗廢液除雜質的工藝方法進行了試驗研究。 - 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.
由上述結果推測沼氣輸送管漏水主要原因為氯離子侵蝕所造成，其來源經追查為酸洗廢液混入所導致。
