楼上的回答错误,只是单纯的翻译出来的结果.实际上的意思是“含有硫酸铅的废材料”.bearing的意思是含有的意思.
一种有效、便宜使用醋酸－醋酸铵溶液和氯化铵－醋酸铵溶液从含有硫酸铅废料（如废旧电池泥）中的分离氧化铅的方法
化工词组翻译An efficient and inexpensive method for producing lead
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