The results showed that the fly ash zeolite was a kind of excellent treatment reagent for lead bearing wastewater, and it would have spacious applied prospect in the field of water treatment.
实验结果表明，粉煤灰沸石是一种优良的含铅废水处理剂，在水处理领域将有广阔的应用前景。
Do you use any aluminum lead-bearing solder for packaging?
产品包装是否使用了铝铅连接焊料？
Do you use any aluminum lead-bearing solder for packaging?
产品包装是否使用了铝铅连接焊料？
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