铅陲

例句：

1. 1. The mine is located in the northwest part of the country.
   这个矿山位于该国西北部。
2. 2. Lead ore is a valuable resource for metallurgy.
   铅矿石是冶金业的重要资源。
3. 3. The lead slag was used to make bricks during the industrial revolution.
   铅渣在工业革命期间被用来制作砖块。