铅工业

It s also used as a component for the fabrication fiber, and an creodont for the removal of exposed lead circurt board.

在金属加业用来制作所需熔剂、金属表面处理、制铝钛硼合金，作砂轮和研磨盘成分，以此降低操作温度，还用作棉花和人造纤维阻燃剂及印刷路清除露出铅侵蚀液。

Nonbiodegradable pollutants, such as certain chlorinated hydrocarbon pesticides (e.g.DDT) and heavy metals, such as lead, copper, and zinc in some industrial effluents, accumulate in the environment.

生物不可降解污染，如氯代烃类杀虫剂（如DDT）和业废水重金属，如铅、铜和锌，在环境积累。

There are a lot of tellurium minerals in them, such as petzite, calaverite, hessite, altaite, tellurbismuth, rucklidgeite and sylvan.The grade of some section of ore body is up to industrial grade.

金矿床含有大化物,如金银矿、金矿、银矿、铅矿、铋矿、铅铋矿和自然,部分矿段品位达到业品位要求。