... cold-worked material冷加工材料 worked copper加工铜 worked timber已加工木材 ...
双语例句
1
They worked a piece of copper into a tray.
他们把一块铜铸成一个盘子。
2
The worker worked in a little copper with the alloy.
工人在合金里搀了一点铜。
3
In June 1999, the company I worked for transferred me from Switzerland to Chile to conduct a survey of the Chilean market for a particular chemical used in the copper refining process.