The prices of industrial metals, including iron ore and copper, have rallied, too.

包括铁矿石和铜在内的工业金属价格也出现上涨。

One is nickel is the most expensive industrial metal.

一是镍是最昂贵的工业金属。

The prices of copper and other industrial metals are also down.

铜和其他工业金属的价格也在下跌。

Copper, a trendsetter for all industrial metals, hit a record price of $10,845 per tonne.

铜是所有工业金属的引领者，其价格创下每吨 10,845 美元的历史新高。

On the curved apse roof, finished on January 12th, wooden dowel pegs hold the trusses together without a single industrial metal piece.

在1月12日完工的半圆小室的弧形屋顶上，木榫钉将桁架固定在一起，没有使用一个工业金属部件。