copperingn.铜包皮
coppern.铜;铜币;警察;紫铜色;有紫铜色翅膀的小蝴蝶vt.镀铜
copper dibutyldithiophosphate二丁基二硫代磷酸铜
Copper ore containing arsenic含砷铜矿
copper-insert terminal post铜芯极柱
Copper mold suction-casting铜模吸铸
copper corporation of Jiangxi江西铜业
copper flash smelting process铜闪速熔炼过程
copper-zinc brazing mixture铜锌焊药
copper-nickel mine tailings铜镍尾矿