The lead is a common non-ferrous metal element in the gold concentrate.

铅是金精矿中常见的有色金属元素。

Welders operate welding equipment to weld ferrous and non-ferrous metals.

焊工操作焊接设备焊接亚铁金属和有色金属。

Increasingly tighter constraint on primary non-ferrous mineral resources.

有色金属原生矿产资源约束不断加剧。

Non-ferrous particles can be precipitated successfully in the magnetic solvent.

利用磁化溶液能成功地沉积非铁金属的微粒。

Non-ferrous metal equipment and various metallurgy, mining equipment spare parts.

有色金属设备及各类冶金、矿山设备备件。