“coper”可以造什么句，coper造句

Metallogenic Geological Characteristics and Forecast for the liushanyan coper-zinc mine Deposite

Wrot copper performs well in high temperature applications and is easily joined by soldering or brazing. Wrot coper is exclusively used for fittings.

This paper, based on cointegration theory, empirically analyses the relation of future and present prices of coper in Shanghai market.

Detremination of coper, Iron and Zinc in Suse by Flame Atomic Absorption spectrometry;