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.

在金属加工工业中用来制作所需的熔剂、金属的表面处理、制铝钛硼合金，作砂轮和研磨盘的成分，以此降低操作温度，还用作棉花和人造纤维的阻燃剂及印刷路中清除露出的侵蚀液。

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.

生物不可降解的污染，如氯代烃类杀虫剂（如DDT）和工业废水中的重金属，如、铜和锌，在环境中积累。

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.

金床中含有大量的化物,如金银、金、银、、铋、铋和自然,部分段的品位达到的工业品位要求。