The research advances of copper-base alloys being used for resistance welding electrode are introduced and function characteristics of different electrode are analyzed.

介绍了电阻焊电极用铜合金材料的研究进展，分析了目前各种电阻焊电极用铜合金材料的性能特点；

youdao

What is pushing up the price of copper and other base metals?

是什么在推高铜和其他基本金属的价格？

youdao

From the viewpoint of electric contact, copper base alloys have been applied to contact wires and also to pantograph sliders.

从电接触的角度来看，铜基合金被用于接触导线和受电弓滑板的制造。

youdao

Further, several analysts said the long-term direction of copper and other base metals will hinge more on the economies and demand from major consuming nations.

FORBES: Metals Higher After Greek Austerity Vote; European Debt Worries Persist

During May, speculators trimmed their net-long positions in both base and precious metals, eventually going net short in copper.

FORBES: FOCUS: Speculative Buyers Mostly Return To Precious Metals -CFTC

Three-month copper slumped 2.3% on the London Metal Exchange, leading the decline for base metals.

WSJ: U.S. Stocks Temper Global Market Rout